Feline Vaccines Against Avian Influenza

ABSTRACT

The present invention encompasses influenza vaccines, in particular avian influenza vaccines. The vaccine may be a recombinant poxvirus vaccine or an inactivated vaccine. The invention also encompasses recombinant poxvirus vectors encoding and expressing avian influenza antigens, epitopes or immunogens which can be used to protect animals, in particular felids, against avian influenza.

INCORPORATION BY REFERENCE

This application makes reference to U.S. patent application Ser. No. 11/211,983 filed Aug. 25, 2005.

The foregoing applications, and all documents cited therein or during their prosecution (“appln cited documents”) and all documents cited or referenced in the appln cited documents, and all documents cited or referenced herein (“herein cited documents”), and all documents cited or referenced in herein cited documents, together with any manufacturer's instructions, descriptions, product specifications, and product sheets for any products mentioned herein or in any document incorporated by reference herein, are hereby incorporated herein by reference, and may be employed in the practice of the invention.

FIELD OF THE INVENTION

The present invention encompasses influenza vaccines, in particular avian influenza vaccines. The vaccine may be a recombinant poxvirus vaccine or an inactivated vaccine. The invention also encompasses recombinant poxvirus vectors encoding and expressing avian influenza antigens, epitopes or immunogens which can be used to protect animals, in particular cats, against avian influenza.

BACKGROUND OF THE INVENTION

Upper respiratory tract diseases (UPTD) are common in felines, especially domestic cats. These diseases exhibit influenza-like symptoms, including fever, nasal discharge, sneezing, coughing, sinusitis and bronchitis, and can potentially be fatal. The most common agents for UPTD include chlamydia, feline herpesvirus-1, feline calicivirus, and Bordetella bronchiseptica. More recently, felines have displayed susceptibility of infection to influenza viruses, especially the avian influenza virus (AIV).

AIV is an RNA virus belonging to the family of Orthomyxoviridae, and is classified as a type A influenza virus, which relates its nucleoprotein and membrane proteins. AIV has a lipid envelope that features two distinct glycoproteins: hemagglutinin (HA), which facilitates entry of the virus into the host cells, and neuraminidase (NA), which assists in the release of progeny virus from infected cells (de Jong et al., 2006). Thus far, 16 HA and 9 NA have been detected and can exist in varying combinations (Olsen et al., 2006), thereby forming subtypes of AIV that are based upon these antigenic differences. The H5N1 subtype (virus featuring HA 5 and NA 1) has specifically been associated with recent outbreaks in Asia, Russia, the Middle East, Europe and Africa, and is responsible for the growing concern of avian influenza infection of felids.

Reports regarding avian influenza infection of domestic cats and zoo felids emerged during the 2003 to 2004 avian influenza outbreak in Asia (Keawcharoen et al 2004). These reports described over 150 deaths of tigers and leopards as a result of feeding on raw chicken carcasses that were infected with the avian influenza. These felids developed lesions in the lungs, resulting in congestion and hemorrhaging, moderate meningoencephalitis, and mutifocal necrotizing hepatitis. Since then, scientists have confirmed that felines are susceptible to avian influenza infection via intratracheal injection, consumption of virus-infected chickens, and horizontal transmission through regular contact (Kuiken et al., 2004). The infected cats initially developed such symptoms as raised body temperature, conjunctivitis, and labored breathing, which eventually progressed to severe diffuse alveolar damage and death, although the virus can replicate in the respiratory tract without inducing any signs of the disease (Hinshaw et al. 1981). Further studies revealed that experimentally-infected cats displayed a presence of the virus in both respiratory and extra-respiratory organs, and excreted the virus through both the respiratory and digestive tracts (Rimmelzwaan et al., 2006). In addition, numerous new reports have described infection of domestic cats in Europe and Asia (Butler, 2006).

Considering the susceptibility of felines to AIV and their ability to excrete the virus into their surroundings, a method of preventing AIV infection and protecting felines is essential. The urgency is compounded given the possibility that feline infection may play a role in the epidemiology of AIV in poultry, humans, and other species (Influenza team, 2006; Kuiken et al., 2006). Accordingly, there is a need for an effective vaccine against influenza in felines.

Citation or identification of any document in this application is not an admission that such document is available as prior art to the present invention.

SUMMARY OF THE INVENTION

The present invention encompasses avian influenza immunological compositions, which may be a recombinant avian influenza immunological composition or an inactivated avian influenza immunological composition.

The present invention also encompasses avian influenza vaccines, which may be a recombinant avian influenza vaccine or an inactivated avian influenza vaccine.

Furthermore, the present invention encompasses influenza vaccines wherein the vaccine comprises one or more of an inactivated feline influenza isolate, an inactivated avian influenza isolate, or mixtures thereof.

In an embodiment wherein the avian influenza immunological composition or vaccine is a recombinant immunological composition or vaccine, advantageously, the composition or vaccine comprising a recombinant viral vector and a pharmaceutical or veterinary acceptable excipient, carrier or vehicle; the recombinant viral vector is an avipox expression vector which may comprise a polynucleotide encoding an influenza polypeptide, antigen, epitope or immunogen. The influenza polypeptide, antigen, epitope or immunogen, may be a hemagglutinin, matrix protein, neuraminidase, nonstructural protein, nucleoprotein, polymerase or any fragment thereof.

In an advantageous embodiment, the avian influenza polypeptide, antigen, epitope or immunogen may be derived from a feline infected with influenza. For example, but not by limitation, influenza virus may be isolated from the broncho alveolar lavage and/or lung tissues of an affected felid. Isolation and characterization of the nucleotide sequence of the influenza infecting the felid may be done by routine experimentation by a person of ordinary skill in the art.

The avian influenza polypeptide, antigen, epitope or immunogen may be isolated from an avian influenza.

The avipox expression vector may be an attenuated avipox expression vector. In one embodiment, the avipox expression vector may be a fowlpox vector, advantageously TROVAC. In another embodiment, the avipox expression vector may be a canarypox vector, advantageously ALVAC. The influenza antigen, epitope or immunogen may be a hemagglutinin, such as H5. The fowlpox vector may be vFP89 or vFP2211. The canarypox vector may be vCP2241.

The present invention also encompasses an inactivated influenza immunological composition or vaccine. The inactivated influenza immunological composition or vaccine may be an inactivated influenza. In another embodiment, the inactivated influenza immunological composition or vaccine may be an avian influenza. The immunological composition o vaccine may be inactivated with formalin or beta-propiolactone.

The invention also relates to method of eliciting an immune response against influenza in a Felidae, in particular a cat, which may comprise administering a formulation comprising any one of the above recombinant influenza immunological composition or vaccine, or inactivated immunological composition or vaccine, and a pharmaceutically or veterinarily acceptable carrier, excipient or vehicle in an effective amount for eliciting an immune response. In an advantageous embodiment, an adjuvant may be added. The adjuvant may be aluminum hydroxide, aluminum phosphate, a carbomer or an oil-in-water-emulsion and optionally may comprise CpG. Advantageously, the administration may be subcutaneous intramuscular or transdermal with a needle-free injector.

The invention further relates to method of inducing a immune response against influenza in a Felidae, in particular in a cat, which may comprise administering a formulation comprising any one of the above recombinant influenza immunological compositions or vaccines, or inactivated immunological compositions or vaccines, and a pharmaceutically or veterinarily acceptable carrier, excipient or vehicle in an effective amount for inducing a immune response. In an advantageous embodiment, an adjuvant may be added. The adjuvant may be aluminum hydroxide, aluminum phosphate, a carbomer or an oil-in-water-emulsion and optionally may comprise CpG. Advantageously, the administration may be subcutaneous or intramuscular.

The invention further comprises relates to the inducement or elicication of an immune response against influenza in a Felidae wherein the immune response induced or elicited is a protective immune response.

The invention further encompasses a kit for performing a method of eliciting or inducing an immune response which may comprise any one of the recombinant influenza immunological compositions or vaccines, or inactivated immunological compositions or vaccines, and instructions for performing the method.

Accordingly, it is an object of the invention to not encompass within the invention any previously known product, process of making the product, or method of using the product such that Applicants reserve the right and hereby disclose a disclaimer of any previously known product, process, or method. It is further noted that the invention does not intend to encompass within the scope of the invention any product, process, or making of the product or method of using the product, which does not meet the written description and enablement requirements of the USPTO (35 U.S.C. § 112, first paragraph) or the EPO (Article 83 of the EPC), such that Applicants reserve the right and hereby disclose a disclaimer of any previously described product, process of making the product, or method of using the product.

It is noted that in this disclosure and particularly in the claims and/or paragraphs, terms such as “comprises”, “comprised”, “comprising” and the like can have the meaning attributed to it in U.S. Patent law; e.g., they can mean “includes”, “included”, “including”, and the like; and that terms such as “consisting essentially of” and “consists essentially of” have the meaning ascribed to them in U.S. Patent law, e.g., they allow for elements not explicitly recited, but exclude elements that are found in the prior art or that affect a basic or novel characteristic of the invention.

These and other embodiments are disclosed or are obvious from and encompassed by, the following Detailed Description.

BRIEF DESCRIPTION OF THE DRAWINGS

The following detailed description, given by way of example, but not intended to limit the invention solely to the specific embodiments described, may best be understood in conjunction with the accompanying drawing, in which:

FIG. 1 illustrates the generation of vFP2211, in which plasmid pJY1394.1, containing the synthetic AIV H5 HA insert, and a fragment of the Fowlpox genome at the F8 locus generates vFP2211 through in vitro recombination.

FIG. 2 illustrates the fragment of vFP2211, indicating the positions of the primers for amplifying the AIV probe and for PCR amplification of the F8 arms and insert.

FIG. 3 illustrates a theoretical restriction enzyme gel for the genomic DNA of vFP2211.

FIG. 4 illustrates a gel from electrophoresis of genomic DNA extracted from vFP2211 and digested with BamHI, Hind III, and Pst I.

FIG. 5 illustrates a gel from Western blot analysis indicating the correct insertion of synthetic AIV H5 HA into the C5 locus.

FIG. 6 illustrates the results of an immunoplaque assay of vFP2211, indicating that the homogeneity of the population was 100%.

FIG. 7 illustrates a comparison of nucleotide sequences between the wild type H5 HA without cleavage site (CK/Indonesia/2003) and the synthetic AIV H5 HA without cleavage site from plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox.

FIG. 8 illustrates a comparison of amino acid sequences between the wild type H5 HA without cleavage site (CK/Indonesia/2003) and the synthetic AIV H5 HA without cleavage site from plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox.

FIG. 9 illustrates the construction of the ALVAC plasmid pLH1852.5, in which the expression cassette of H6p-AIV synthetic H5 HA is isolated by digestion of the plasmid pJY1394.1 and ligated to Eco DNA digested pALVAC C₅H₆p donor (pCXL148.2).

FIG. 10 illustrates the ALVAC plasmid pLH1852.5.

FIG. 11 illustrates the generation of vCP2241, in which ALVAC plasmid pLH1852.5, containing the AIV synthetic H5 HA insert, and a fragment of the ALVAC genome at the C5 locus generates vCP2241 through in vitro recombination.

FIG. 12 illustrates a theoretical restriction enzyme gel for the genomic DNA of vCP2241.4.1.1.1.

FIG. 13 illustrates a gel from electrophoresis of genomic DNA extracted from vCP2241.4.1.1.1 and digested with BamHI, Hind III, and Pst I.

FIG. 14 illustrates a gel from Southern blot analysis indicating the expression of the H5 HA protein.

FIG. 15 illustrates a gel from Western blot analysis indicating the correct insertion of AIV synthetic H5 HA into the C5 locus.

FIG. 16 illustrates the results of an immunoplaque assay of vCP2241.4.1.1.1, indicating that the homogeneity of the population was 100%.

FIG. 17 illustrates the fragment of vCP2241, indicating the positions of the primers for amplifying the AIV probe and for PCR amplification of the C5 arms and insert.

FIG. 18 illustrates the HI antibody responses to H5N1 AIV (A/Vietnam/1194/04 antigens in cats vaccinated with either TROVAC fowlpox virus expressing the H5 gene from A/Turkey/Ireland/1378/83 (vFP89), TROVAC fowlpox virus expressing the H5 gene from A/Chicken/Indonesia/03 (vFP2211), or ALVAC canarypox virus expressing the H5 gene from A/Chicken/Indonesia/03 (vCP2241).

FIG. 19 illustrates the HI antibody responses to, H5N8 AIV (A/Turkey/Ireland/1378/83) NIBRG14 strain) antigens in cats vaccinated with either TROVAC fowlpox virus expressing the H5 gene from A/Turkey/Ireland/1378/83 (vFP89), TROVAC fowlpox virus expressing the H5 gene from A/Chicken/Indonesia/03 (vFP2211), or ALVAC canarypox virus expressing the H5 gene from A/Chicken/Indonesia/03 (vCP2241).

FIG. 20 illustrates the HI antibody responses to H5N1 AIV (A/Vietnam/1194/04, NIBRG14 strain antigens in cats vaccinated with an inactivated H5N9 AIV (A/Chicken/Italy/22A/98) at dosages of 512UHA/dose and 1536UHA/dose)

FIG. 21 illustrates the HI antibody responses to H5N9 AIV (A/Turkey/Wisconsin/68) antigens in cats vaccinated with an inactivated H5N9 AIV (A/Chicken/Italy/22A/98) at dosages of 512UHA/dose and 1536UHA/dose)

DETAILED DESCRIPTION

The present invention is based, in part, on Applicants' studies demonstrating a recombinant fowlpox and canarypox expressing avian influenza HA is immunogenic in cats.

The present invention encompasses any influenza polypeptide, antigen, epitope or immunogen that elicits an immunogenic response in an animal, advantageously a vertebrate, more advantageously a Felidae, even more advantageously a cat. The influenza polypeptide, antigen, epitope or immunogen may be any influenza polypeptide, antigen, epitope or immunogen, such as, but not limited to, a protein, peptide or fragment thereof, that elicits, induces or stimulates a response in an animal, advantageously a vertebrate, a Felidae more advantageously a cat.

In an advantageous embodiment, the influenza polypeptide, antigen, epitope or immunogen is derived from a feline infected with influenza. For example, but not by limitation, influenza virus may be isolated from the broncho alveolar lavage and/or lung tissues of an affected felid. Isolation and characterization of the nucleotide sequence of the influenza infecting the felid may be done by routine experimentation by a person of ordinary skill in the art.

In another advantageous embodiment, the influenza polypeptide, antigen, epitope or immunogen may be derived from an avian infected with influenza or an avian influenza strain. Advantageously, the avian influenza antigen, epitope or immunogen is a hemagglutinin (HA) (e.g., HA precursor, H1, H2, protein, matrix protein (e.g., matrix protein M1 or M2), neuraminidase, nonstructural (NS) protein (e.g., NS1 or NS2), nucleoprotein (NP) and polymerase (e.g., PA polymerase, PB1 polymerase 1 or PB2 polymerase 2).

Examples of avian influenza strains that may be used in methods of the present invention include, but are not limited to, turkey influenza virus strain A/Turkey/Ireland/1378/83 (H5N8) (see, e.g., Taylor et al., 1988b), turkey influenza virus strain A/Turkey/England/63 (H7N3) (see, e.g., Alexander et al., 1979; Rott et al., 1979; Horimoto et al., 2001), turkey influenza virus strain A/Turkey/England/66 (H6N2) (see, e.g., Alexander et al., 1979), A/Turkey/England/69 (H7N2) (see, e.g., Alexander et al., 1979; Horimoto et al., 2001), A/Turkey/Scotland/70 (H6N2) (see, e.g., Banks et al., 2000; Alexander et al., 1979), turkey influenza virus strain A/Turkey/England/N28/73 (H5N2) (see, e.g., Alexander et al., 1979), turkey influenza virus strain A/Turkey/England/110/77 (H6N2) (see, e.g., Alexander et al., 1979), turkey influenza virus strain A/Turkey/England/647/77 (H1N1) (see, e.g., Alexander et al., 1979; Karasin et al., 2002)), turkey influenza virus strain A/turkey/Ontario/7732/66 (H5N9) (see, e.g., Slemons et al., 1972; Philpott et al., 1989), turkey influenza virus strain A/Turkey/England/199/79 (H7N7) (see, e.g., Horimoto et al., 2001), turkey influenza virus strain A/Turkey/Ontario/7732/66 (H5N9) (see, e.g., Horimoto et al., 2001; Panigrahy et al., 1996), turkey influenza virus strain A/Turkey/Ireland/1378/85 (H5N8) (see, e.g., Horimoto et al., 2001; Walker et al., 1993), turkey influenza virus strain A/Turkey/England/50-92/91 (H5N1) (see, e.g., Horimoto et al., 2001; Howard et al., 2006), turkey influenza virus strain A/Turkey/Wisconsin/68 (H5N9), turkey influenza virus strain A/Turkey/Masschusetts/65 (H6N2), turkey influenza virus strain A/Turkey/Oregon/71 (H7N3), (see, e.g., Orlich et al., 1990), turkey influenza virus strain A/Turkey/Ontario/6228/67 (H8N4), turkey influenza virus strain A/Turkey/Wisconsin/66 (H9N2), (see, e.g., Zakstel'skaia et al., 1977), turkey influenza virus strain A/Turkey/England/647/77 (H1N1) (see, e.g., Karasin et al., 2002; Alexander et al., 1979), turkey influenza virus strain A/Turkey/Ontario/6118/68 (H8N4) (see, e.g., Blok et al., 1982), turkey influenza virus strain A/Tur/Ger 3/91 (see, e.g., Zakay-Rones et al., 1995), turkey influenza virus strain A/Turkey/Minnesota/833/80 (H4N2) (see, e.g., Gubareva et al., 1997) chicken influenza virus strain A/Chicken/Indonesia/03 (H5N1), chicken influenza virus strain A/Chicken/FPV/Rostock/1934 (see, e.g., Ohuchi et al., 1994), chicken influenza virus strain A/Chicken/Texas/298313/04 (see, e.g., Lee et al., 2005), chicken influenza virus strain A/Chicken/Texas/167280-4-/02 (see, e.g., Lee et al., 2005), chicken influenza virus strain A/Chicken/Hong Kong/220/97 (see, e.g., Perkins et al., 2001), chicken influenza virus strain A/Chicken/Italy/8/98 (see, e.g., Capua et al., 1999), chicken influenza virus strain A/Chicken/Victoria/76 (H7N7) (see, e.g., Zambon, 2001; Nestorowicz et al., 1987), chicken influenza virus strain A/Chicken/Germany/79 (H7N7) (see, e.g., Rohm et al., 1996), chicken influenza virus strain A/Chicken/Scotland/59 (H5N1) (see, e.g., Horimoto et al., 2001; De et al., 1988; Wood et al., 1993), chicken influenza virus strain A/Chicken/Pennsylvania/1370/83 (H5N2) (see, e.g., Bean et al., 1985; van der Goot et al., 2002), chicken influenza virus strain A/Chicken/Queretaro-19/95 (H5N2) (see, e.g., Horimoto et al., 2001; Garcia et al., 1998), chicken influenza virus strain A/Chicken/Queretaro-20/95 (H5N2) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Hong Kong/258/97 (H5N1) (see, e.g., Horimoto et al., 2001; Webster, 1998), chicken influenza virus strain A/Chicken/Italy/1487/97 (H5N2) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Leipzig/79 (H7N7) (see, e.g., Horimoto et al., 2001; Rohm et al., 1996), chicken influenza virus strain A/Chicken/Victoria/85 (H7N7) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Victoria/92 (H7N3) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Queensland/95 (H7N3) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Pakistan/1369/95 (H7N2) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/Pakistan/447-4/95 (H7N3) (see, e.g., Horimoto et al., 2001), chicken influenza virus strain A/Chicken/HK/G9/97 (H9N2) (see, e.g., Leneva et al., 2001), chicken influenza virus strain A/Chicken/Nakom-Patom/Thailand/CU-K2/2004(H5N1) (see, e.g., Anwar et al., 2006; Viseshakul et al., 2004), chicken influenza virus strain A/Chicken/Hong Kong/31.2/2002 (H5N1), (see, e.g., Anwar et al., 2006), chicken influenza virus strain A/Chicken/Vietnam/C58/04 (H5N1), (see, e.g., Anwar et al., 2006;), chicken influenza virus strain A/Chicken/Vietnam/38/2004(H5N1). (see, e.g., Anwar et al., 2006), chicken influenza virus strain A/Chicken/Alabama/7395/75 (H4N8), (see, e.g., Swayne et al., 1994), chicken influenza virus strain A/Chicken/Germany/N/49 (H10N7), (see, e.g., Yamane et al., 1981), chicken influenza virus strain A/Chicken/Beijing/1/94 (H9N2) (see, e.g., Karasin et al., 2002), chicken influenza virus strain A/Chicken/Hong Kong/G23/97 (H9N2) (see, e.g., Karasin et al., 2002), chicken influenza virus strain A/Chicken/Pennsylvania/8125/83 (H5N2) (see, e.g., Karasin et al., 2002; Shortridge et al., 1998), chicken influenza virus strain A/Chicken/Hong Kong/97 (H5N1) (see, e.g., Chen et al., 2003), duck influenza virus strain A/Duck/Anyang/AVL-1/01 (see, e.g., Tumpey et al., 2002), duck influenza virus strain A/Duck/New York/17542-4/86 (H9N1) (see, e.g., Banks et al., 2000), duck influenza virus strain A/Duck/Alberta/28/76 (H4N6) (see, e.g., Blok et al., 1982), duck influenza virus strain A/Duck/Nanchang/4-165/2000 (H4N6) (see, e.g., Liu et al., 2003), duck influenza virus strain A/Duck/Germany/49 (H10N7) (see, e.g., Blok et al., 1982), duck influenza virus strain A/Black Duck/Australia/702/78 (H3N8) (see, e.g., Blok et al., 1982), duck influenza virus strain A/Duck/Vietnam/11/2004 (H5N1), (see, e.g., Anwar et al., 2006), duck influenza virus strain A/Duck/Alberta/60/76 (H₁₂N₅), (see, e.g., Baez et al., 1981), duck influenza virus strain A/Duck/Hong Kong/196/77 (H1) (see, e.g., Karasin et al., 2002; Kanegae et al., 1994), duck influenza virus strain A/Duck/Wisconsin/1938/80 (H1N1) (see, e.g., Karasin et al., 2002), duck influenza virus strain A/Duck/Bavaria/2/77 (H1N1) (see, e.g., Karasin et al., 2002; Ottis et al., 1980), duck influenza virus strain A/Duck/Bavaria/1/77 (H1N1) (see, e.g., Ottis et al., 1980), duck influenza virus strain A/Duck/Australia/749/80 (H1N1) (see, e.g., Karasin et al., 2002), duck influenza virus strain A/Duck/Hong Kong/Y280/97 (H9N2) (see, e.g., Karasin et al., 2002; Guan et al., 2000), duck influenza virus strain A/Duck/Alberta/35/76 H1N1) (see, e.g., Austin et al., 1990), avian influenza virus strain A/Mallard duck/Gurjev/263/82 (H₁₄N₅), (see, e.g., Kawaoka et al., 1990), avian influenza virus strain A/Mallard duck/PA/10218/84 (H5N2) (see, e.g., Smimov et al., 2000), avian influenza virus strain A/Mallard duck/Astrakhan/244/82 (H₁₄N₆) (see, e.g., Karasin et al., 2002), goose influenza virus strain A/Goose/Guangdong/1/96 (see, e.g., Xu et al., 1999), goose influenza virus strain A/Goose/Leipzig/137-8/79 (H7N7) (see, e.g., Horimoto et al., 2001), goose influenza virus strain A/Goose/Hong Kong/W222/97 (H₆N₇) (see, e.g., Chin et al., 2002), goose influenza virus strain A/Goose/Leipzig/187-7/79 (H7N7) (see, e.g., Horimoto et al., 2001), goose influenza virus strain A/Goose/Leipzig/192-7/79 (H7N7) (see, e.g., Horimoto et al., 2001), avian influenza virus strain A/Env/HK/437-4/99 (see, e.g., Cauthen et al., 2000), avian influenza virus strain A/Env/HK/437-6/99 (see, e.g., Cauthen et al., 2000), avian influenza virus strain A/Env/HK/437-8/99 (see, e.g., Cauthen et al., 2000), avian influenza virus strain A/Env/HK/437-10/99, (see, e.g., Cauthen et al., 2000), avian influenza virus strain A/Fowl plague virus strain/Dutch/27 (H7N7) (see, e.g., Horimoto et al., 2001; Carter et al., 1982), avian influenza virus strain A/Fowl plague virus strain/Dobson/27 (H7N7) (see, e.g., Horimoto et al., 2001), avian influenza virus strain A/Fowl plague virus strain/Rostock/34 (H7N1) (see, e.g., Horimoto et al., 2001; Takeuchi et al., 1994), avian influenza virus strain A/Fowl plague virus strain/Egypt/45 (H7N1) (see, e.g., Horimoto et al., 2001), avian influenza virus strain A/Fowl plague virus strain/Weybridge (H7N7) (see, e.g., Tonew et al., 1982), avian influenza virus strain A/Tern/South Africa/61 (H5N3) (see, e.g., Horimoto et al., 2001; Perkins et al., 2002; Walker et al., 1992), avian influenza virus strain A/Tern/Australia/G70C/75 (H11N9) (see, e.g., Pruett et al., 1998), avian influenza virus strain A/Quail/Vietnam/36/04(H5N1). (see, e.g., Anwar et al., 2006), avian influenza virus strain A/Gull/Maryland/704/77 (H13N6), (see, e.g., Iamnikova et al., 1989), avian influenza virus strain A/Black-headed gull/Sweden/5/99 (H16N3) (see, e.g., Fouchier et al., 2005), avian influenza virus strain A/Herring gull/DE/677/88 (H2N8) (see, e.g., Saito et al., 1993), avian influenza virus strain A/Swan/Italy/179/06 (H5N1) (see, e.g., Terregino et al., 2006), avian influenza virus strain A/Hong Kong/156/97 (A/HK/156/97) (see, e.g., Leneva et al., 2001; Claas et al., 1998; Cauthen et al., 2000), avian influenza virus strain A/Quail/HK/G1/97 (H9N2) (see, e.g., Leneva et al., 2001), avian influenza virus strain A/Quail/Hong Kong/AF157/93 (H9N2) (see, e.g., Karasin et al., 2002), avian influenza virus strain A/Teal/HK/W312/97 (H6N1) (see, e.g., Leneva et al., 2001), avian influenza virus strain A/Shearwater/West Australia/2576/79 (H15N9) (see, e.g., Rohm et al., 1996), avian influenza virus strain A/Shearwater/Australia/72 (H6N5) (see, e.g., Harley et al., 1990), avian influenza virus strain A/Hong Kong/212/03 (see, e.g., Shinya et al., 2005), avian influenza virus strain A/England/321/77 (H3N2) (see, e.g., Hauptmann et al., 1983), avian pandemic influenza A viruses of avian origin (see, e.g., Audsley et al., 2004) avian H5N1 influenza virus, avian H₇N₁ influenza strain (see, e.g., Foni et al., 2005), avian H9N2 influenza virus (see, e.g., Leneva et al., 2001), and avian influenza virus, cold-adapted (ca) and temperature sensitive (ts) master donor strain, A/Leningrad/134/17/57 (H2N2) (see, e.g., Youil et al., 2004), the disclosures of which are incorporated by reference.

Other influenza strains that may be used in methods of the present invention include, but are not limited to, equine influenza virus (A/Equi 2 (H3N8), Newmarket 1/93) (see, e.g., Mohler et al., 2005; Nayak et al., 2005), equine-2 influenza virus (EIV; subtype H3N8) (see, e.g., Lin et al., 2001), equine-2 influenza virus, A/Equine/Kentucky/1/91 (H3N8) (see, e.g., Youngner et al., 2001), equine influenza virus strain A/Equine/Berlin/2/91 (H3N8) (see, e.g., Ilobi et al., 1998), equine influenza virus strain A/Equine/Cambridge/1/63 (H7N7) (see, e.g., Gibson et al., 1992), equine influenza virus strain A/Equine/Prague/1/56 (H7N7) (see, e.g., Karasin et al., 2002; Appleton et al., 1989), equine influenza virus strain A/Eq/Kentucky/98 (see, e.g., Crouch et al., 2004), equine influenza virus strain A/Equi 2 (Kentucky 81) (see, e.g., Short et al., 1986; Horner et al., 1988), equine influenza virus strain A/Equine/Kentucky/1/81 (Eq/Ky) (see, e.g., Breathnach et al., 2004), equine influenza virus strain A/Equine/Kentucky/1/81 (H3N8) (see, e.g., Olsen et al., 1997; Morley et al., 1995; Ozaki et al., 2001; Sugiura et al., 2001; Goto et al., 1993), equine influenza virus strain A/Equine/Kentucky/1/91 (H3N8) (see, e.g., Youngner et al., 2001), equine influenza virus strain A/Equine/Kentucky/1277/90 (Eq/Kentucky) (see, e.g., Webster et al., 1993), equine influenza virus strain A/Equine/Kentucky/2/91 (H3N8) (see, e.g., Donofrio et al., 1994), equine influenza virus strain A/Equine/Kentucky/79 (H3N8) (see, e.g., Donofrio et al., 1994), equine influenza virus strain A/Equine/Kentucky/81 (see, e.g., Sugiura et al., 2001), equine influenza virus strain A/Equine/Kentucky/91 (H3N8) (see, e.g., Gross et al., 1998), equine influenza virus strain A/Equine-2/Kentucky/95 (H3N8) (see, e.g., Heldens et al., 2004) and equine influenza virus strain A/Equine-2/Kentucky/98 (see, e.g., Chambers et al., 2001), equine influenza virus strain A/Eq/Newmarket/1/77 (see, e.g., Lindstrom et al., 1998), equine influenza virus strain A/Eq/Newmarket/5/03 (see, e.g., Edlund Toulemonde et al., 2005), equine influenza virus strain A/Equi 2 (H3N8), Newmarket 1/93 (see, e.g., Mohler et al., 2005; Nayak et al., 2005), equine influenza virus strain A/Equi-2/Newmarket-1/93 (see, e.g., Heldens et al., 2002), equine influenza virus strain A/Equine/Newmarket/2/93 (see, e.g., Wattrang et al., 2003), equine influenza virus strain A/Equine/Newmarket/79 (H3N8) (see, e.g., Duhaut et al., 2000; Noble et al., 1994; Duhaut et al., 1998; Hannant et al., 1989; Hannant et al., 1989; Hannant et al., 1988; Richards et al., 1992; Heldens et al., 2004), equine influenza virus strain A/Equine/Newmarket/1/77 (H7N7) (see, e.g., Goto et al., 1993; Sugiura et al., 2001) and equine influenza virus strain A/Equine-2/Newmarket-2/93 (see, e.g., Heldens et al., 2004), equine influenza virus strain A/Eq/Miami/63 (H3N8) (see, e.g., van Maanen et al., 2003), A/Equi 1 (Prague strain) (see, e.g., Horner et al., 1988; Short et al., 1986), equine influenza virus strain A/Equi 2 (Miami) (see, e.g., Short et al., 1986), equine influenza virus strain A/Equi-1/Prague/56 (Pr/56) (see, e.g., Heldens et al., 2002), equine influenza virus strain A/Equi-2/Suffolk/89 (Suf/89) (see, e.g., Heldens et al., 2002), equine influenza virus strain A/Equine 2/Sussex/89 (H3N8) (see, e.g., Mumford et al., 1994), equine influenza virus strain A/Equine/Sussex/89 (see, e.g., Wattrang et al., 2003), equine influenza virus strain A/Equine-2/Saskatoon/90 (see, e.g., Chambers et al., 2001), equine influenza virus strain A/Equine/Prague/1/56 (H7N7) (see, e.g., Donofrio et al., 1994; Morley et al., 1995), equine influenza virus strain A/Equine/Miami/1/63 (H3N8) (see, e.g., Morley et al., 1995; Ozaki et al., 2001; Thomson et al., 1977; Mumford et al., 1988; Donofrio et al., 1994; Mumford et al., 1983), A/Aichi/2/68 (H3N2) (see, e.g., Ozaki et al., 2001), equine influenza virus strain A/Equine/Tokyo/2/71 (H3N8) (see, e.g., Goto et al., 1993), equine influenza virus strain A/Eq/LaPlata/1/88 (see, e.g., Lindstrom et al., 1998), equine influenza virus strain A/Equine/Jilin/1/89 (Eq/Jilin) (see, e.g., Webster et al., 1993), equine influenza virus strain A/Equine/Alaska/1/91 (H3N8) (see, e.g., Webster et al., 1993), equine influenza virus strain A/Equine/Saskatoon/1/91 (H3N8) (see, e.g., Morley et al., 1995), equine influenza virus strain A/Equine/Rome/5/91 (H3N8) (see, e.g., Sugiura et al., 2001), equine influenza virus strain A/Equine/La Plata/1/93 (H3N8) (see, e.g., Ozaki et al., 2001), equine influenza virus strain A/Equine/La Plata/1/93 (LP/93) (see, e.g., Sugiura et al., 2001), equine influenza virus strain A/Eq/Holland/1/95 (H3N8) (see, e.g., van Maanen et al., 2003) and equine influenza virus strain A/Eq/Holland/2/95 (H3N8) (see, e.g., van Maanen et al., 2003), human influenza virus A(H3N2) isolates (see, e.g., Abed et al., 2002), human influenza virus A/Memphis/1/71 (H3N2) (see, e.g., Suzuki et al., 1996), human influenza virus A/Nanchang/933/95 (H3N2) virus (see, e.g., Scholtissek et al., 2002), human influenza virus A/PR/8/34 (H1N1) virus (see, e.g., Scholtissek et al., 2002), human influenza virus A/Singapore/57 (H2N2) virus (see, e.g., Scholtissek et al., 2002), influenza virus A (see, e.g., Chare et al., 2003), influenza virus A/HK/213/03 (see, e.g., Guan et al., 2004; Anwar et al., 2006), influenza virus strain A/HK/483/97 (see, e.g., Cheung et al., 2002), influenza virus strain A/HK/486/97 (see, e.g., Cheung et al., 2002), influenza virus strain A/Thailand/5(KK-494)/2004 (H5N1). (see, e.g., Anwar et al., 2006), influenza virus strain A PR/8/34 (PR8) virus strain (H1N1 subtype) (see, e.g., Mantani et al., 2001), influenza virus strain A/Aichi/2/68(H3N2) (see, e.g., Miyamoto et al., 1998), influenza virus strain A/Ann Arbor/6/60 cold-adapted virus strain (see, e.g., Treanor et al., 1994), influenza virus strain A/Beijing 32/92 (H3N2) (see, e.g., Zakay-Rones et al., 1995), influenza virus strain A/Charlottesville/31/95 (H1N1) (see, e.g., Gubareva et al., 2002), influenza virus strain A/Kawasaki/86 (H1N1) virus strain (see, e.g., Staschke et al., 1998), influenza virus strain A/Korea/82 (H3N2) (see, e.g., Treanor et al., 1994), influenza virus strain A/Leningrad/134/57 (see, e.g., Egorov et al., 1998), influenza virus strain A/NWS/33 (H1N1) (see, e.g., Sidwell et al., 1998), influenza virus strain A/PR/8/34(H1N1) (see, e.g., Miyamoto et al., 1998), influenza virus strain A/PR8/34 (see, e.g., Nunes-Correia et al., 1999; Tree et al., 2001), influenza virus strain A/Puerto Rico (PR)/8/34 (see, e.g., Egorov et al., 1998), influenza virus strain A/Puerto Rico/8-Mount Sinai (see, e.g., Mazanec et al., 1995), influenza virus strain A/Shangdong 9/93 (H3N2) (see, e.g., Zakay-Rones et al., 1995; Sidwell et al., 1998), influenza virus strain A/Shingapol/1/57(H2N2) (see, e.g., Miyamoto et al., 1998), influenza virus strain A/Singapore 6/86 (H1N1) (see, e.g., Zakay-Rones et al., 1995), influenza virus strain A/Singapore/1/57 (H2N2) (see, e.g., Bantia et al., 1998), influenza virus strain A/Texas 36/91 (H₁N₁) (see, e.g., Zakay-Rones et al., 1995), influenza virus strain A/Texas/36/91 (H1N1) virus strain (see, e.g., Gubareva et al., 2001; Halperin et al., 1998), influenza virus strain A/Texas/36/91(H1N1) (see, e.g., Hayden et al., 1994), influenza virus strain A/Udorn/72 virus infection (see, e.g., Shimizu et al., 1999), influenza virus A/Victoria/3/75 (H3N2) (see, e.g., Sidwell et al., 1998), influenza virus A/Virginia/88(H3N2) (see, e.g., Hayden et al., 1994), influenza virus A/WSN/33 (H1N1) (see, e.g., Lu et al., 2002), influenza virus A/WSN/33 (see, e.g., Gujuluva et al., 1994), influenza virus B (see, e.g., Chare et al., 2003), influenza virus B/Ann Arbor 1/86 (see, e.g., Zakay-Rones et al., 1995), influenza virus B/Harbin/7/94 (see, e.g., Halperin et al., 1998), influenza virus B/Hong Kong/5/72 (see, e.g., Sidwell et al., 1998), influenza virus B/Lee/40 (see, e.g., Miyamoto et al., 1998), influenza virus B/Victoria group (see, e.g., Nakagawa et al., 1999), influenza virus B/Yamagata 16/88 (see, e.g., Zakay-Rones et al., 1995), influenza virus B/Yamagata group (see, e.g., Nakagawa et al., 1999), influenza virus B/Yamanashi/166/98 (see, e.g., Hoffmann et al., 2002), influenza virus C (see, e.g., Chare et al., 2003), influenza virus strain A/Equi/2/Kildare/89 (see, e.g., Quinlivan et al., 2004), influenza virus type B/Panama 45/90 (see, e.g., Zakay-Rones et al., 1995), live, cold-adapted, temperature-sensitive (ca/ts) Russian influenza A vaccines (see, e.g., Palker et al., 2004), swine H1 and H3 influenza viruses (see, e.g., Gambaryan et al., 2005), swine influenza A viruses (see, e.g., Landolt et al., 2005), swine influenza virus (SIV) (see, e.g., Clavijo et al., 2002), swine influenza virus A/Sw/Ger 2/81 (see, e.g., Zakay-Rones et al., 1995), swine influenza virus A/Sw/Ger 8533/91 (see, e.g., Zakay-Rones et al., 1995), swine influenza virus strain A/Swine/Wisconsin/125/97 (H1N1) (see, e.g., Karasin et al., 2002; Karasin et al., 2006), swine influenza virus strain A/Swine/Wisconsin/136/97 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/163/97 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/164/97 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/166/97 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/168/97 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/235/97 (H1N1) (see, e.g., Karasin et al., 2002; Olsen et al., 2000), swine influenza virus strain A/Swine/Wisconsin/238/97 (H1N1) (see, e.g., Karasin et al., 2002; Ayora-Talayera et al., 2005), swine influenza virus strain A/Swine/Wisconsin/457/98 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/458/98 (H1N1) (see, e.g., Karasin et al., 2002; Karasin et al., 2006), swine influenza virus strain A/Swine/Wisconsin/464/98 (H1N1) (see, e.g., Karasin et al., 2002; Karasin et al., 2006), swine influenza virus strain A/Swine/Indiana/1726/88 (H1N1) (see, e.g., Karasin et al., 2002; Macklin et al., 1998), swine influenza virus strain A/Swine/Indiana/9K035/99 (H1N2) (see, e.g., Karasin et al., 2002; Karasin et al., 2000), swine influenza virus strain A/Swine/Nebraska/1/92 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Quebec/91 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Quebec/81 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/New Jersey/11/76 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Ehime/1/80 (H1N2) (see, e.g., Karasin et al., 2002; Nerome et al., 1985), swine influenza virus strain A/Swine/England/283902/93 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/England/195852/92 (H1N1) (see, e.g., Karasin et al., 2002; Brown et al., 1993), swine influenza virus strain A/Swine/Germany/8533/91 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Germany/2/81 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Nebraska/209/98 (H3N2) (see, e.g., Karasin et al., 2002), A/Swine/Iowa/533/99 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Iowa/569/99 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Minnesota/593/99 (H3N2) (see, e.g., Karasin et al., 2002; Ayora-Talayera et al., 2005), swine influenza virus strain A/Swine/Iowa/8548-1/98 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Minnesota/9088-2/98 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Texas/4199-2/98 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Ontario/41848/97 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/North Carolina/35922/98 (H3N2) (see, e.g., Karasin et al., 2002), /Swine/Colorado/1/77 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Hong Kong/3/76 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Hong Kong/13/77 (H3N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Nagasaki/1/90 (H1N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Nagasaki/1/89 (H1N2) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/1915/88 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Iowa/17672/88 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Tennessee/24/77 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Ontario/2/81 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Wisconsin/1/67 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Italy/1521/98 (H1N2) (see, e.g., Marozin et al., 2002), swine influenza virus strain A/Swine/Italy/839/89 (H1N1) (see, e.g., Karasin et al., 2002), swine influenza virus strain A/Swine/Hong Kong/126/82 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Idaho/4/95 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Johannesburg/33/94 (H3N2) (see, e.g., Karasin et al., 2002; Johansson et al., 1998), influenza virus strain A/Bangkok/1/79 (H3N2) (see, e.g., Karasin et al., 2002; Nelson et al., 2001), influenza virus strain A/Jdorn/72 (H3N2) (see, e.g., Karasin et al., 2002; Markoff et al., 1982), influenza virus strain A/Hokkaido/2/92 (H1N1) (see, e.g., Karasin et al., 2002), influenza virus strain A/Thailand/KAN-1/04 (see, e.g., Puthavathana et al., 2005; Amonsin et al., 2006), influenza virus strain A/England/1/53 (see, e.g., Govorkova E A, et al., 1995), influenza virus strain A/Vietnam/3046/2004 (H5N1), (see, e.g., Anwar et al., 2006), influenza virus strain A/Vietnam/1203/2004 (H5N1), (see, e.g., Anwar et al., 2006; Gao et al., 2006), influenza virus strain A/tiger/Thailand/SPB-1(H5N1), (see, e.g., Anwar et al., 2006), influenza virus strain A/Japan/305/57 (H2N2) (see, e.g., Naeve et al., 1990; Brown et al., 1982), influenza virus strain A/Adachi/2/57 (H2N2) (see, e.g., Gething et al., 1980), influenza virus strain A/Camel/Mongolia/82 (H1N1) (see, e.g., Yamnikova et al., 1993), influenza virus strain A/R1/5/57 (H2N2) (see, e.g., Elleman et al., 1982), influenza virus strain A/Whale/Maine/1/84 (H13N9) (see, e.g., Air et al., 1987), influenza virus strain A/Taiwan/1/86 (H1N1) (see, e.g., Karasin et al., 2002; Brown, 1988), influenza virus strain A/Bayern/7/95 (H1N1) (see, e.g., Karasin et al., 2002), influenza virus strain A/USSR/90/77 (H1N1) (see, e.g., Karasin et al., 2002; Iftimovici et al., 1980), influenza virus strain A/Wuhan/359/95 (H3N2) (see, e.g., Karasin et al., 2002; Hardy et al., 2001), influenza virus strain A/Hong Kong/5/83 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Memphis/8/88 (H3N2) (see, e.g., Karasin et al., 2002; Hatta et al., 2002), influenza virus strain A/Beijing/337/89 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Shanghai/6/90 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Akita/1/94 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Akita/1/95 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain A/Memphis/6/90 (H3N2) (see, e.g., Karasin et al., 2002), influenza virus strain AAUdom/307/72 (H3N2) (see, e.g., Karasin et al., 2002; Tuferov et al., 1984), influenza virus strain A/Singapore/1/57 (H2N2) (see, e.g., Karasin et al., 2002; Zhukova et al., 1975), influenza virus strain A/Ohio/4/83 (H1N1) (see, e.g., Karasin et al., 2002), influenza virus strain Madin Darby Canine Kidney (MDCK)-derived cell line (see, e.g., Halperin et al., 2002), mouse-adapted influenza virus strain A/Guizhou/54/89 (H3N2 subtype) (see, e.g., Nagai et al., 1995), mouse-adapted influenza virus A/PR/8/34 (A/PR8) (see, e.g., Nagai et al., 1995), mouse-adapted influenza virus B/Ibaraki/2/85 (see, e.g., Nagai et al., 1995), Russian live attenuated influenza vaccine donor strains A/Leningrad/134/17/57, A/Leningrad/134/47/57 and B/USSR/60/69 (see, e.g., Audsley et al. 2005), the disclosures of which are incorporated by reference.

In another advantageous embodiment, the avian influenza polypeptide, antigen, epitope or immunogen may be derived from an avian infected with influenza or an avian influenza strain derived from a recent isolate.

In one advantageous embodiment, the influenza vaccine comprises one or more influenza polypeptide, antigen, epitope or immunogen, wherein the influenza isolate is selected from one or more strain of influenza. In one embodiment, the influenza vaccine comprises one or more influenza isolates chosen from the group consisting of a feline influenza isolate, an avian influenza isolate, or mixtures thereof. In yet another embodiment, the influenza vaccine comprises one or more influenza isolates chosen from the group consisting of an inactivated feline influenza isolate, an inactivated avian influenza isolate, or mixtures thereof.

As used herein, the term “antigen” or “immunogen” means a substance that induces a specific immune response in a host animal. The antigen may comprise a whole organism, killed, attenuated or live; a subunit or portion of an organism; a recombinant vector containing an insert with immunogenic properties; a piece or fragment of DNA capable of inducing an immune response upon presentation to a host animal; a protein, a polypeptide, a peptide, an epitope, a hapten, or any combination thereof. Alternately, the immunogen or antigen may comprise a toxin or antitoxin.

The term “immunogenic protein or peptide” as used herein also refers includes peptides and polypeptides that are immunologically active in the sense that once administered to the host, it is able to evoke an immune response of the humoral and/or cellular type directed against the protein. Preferably the protein fragment is such that it has substantially the same immunological activity as the total protein. Thus, a protein fragment according to the invention comprises or consists essentially of or consists of at least one epitope or antigenic determinant. The term epitope relates to a protein site able to induce an immune reaction of the humoral type (B cells) and/or cellular type (T cells).

The term “immunogenic protein or peptide” further contemplates deletions, additions and substitutions to the sequence, so long as the polypeptide functions to produce an immunological response as defined herein. In this regard, particularly preferred substitutions will generally be conservative in nature, i.e., those substitutions that take place within a family of amino acids. For example, amino acids are generally divided into four families: (1) acidic—aspartate and glutamate; (2) basic—lysine, arginine, histidine; (3) non-polar—alanine, valine, leucine, isoleucine, proline, phenylalanine, methionine, tryptophan; and (4) uncharged polar—glycine, asparagine, glutamine, cystine, serine threonine, tyrosine. Phenylalanine, tryptophan, and tyrosine are sometimes classified as aromatic amino acids. It is reasonably predictable that an isolated replacement of leucine with isoleucine or valine, or vice versa; an aspartate with a glutamate or vice versa; a threonine with a serine or vice versa; or a similar conservative replacement of an amino acid with a structurally related amino acid, will not have a major effect on the biological activity. Proteins having substantially the same amino acid sequence as the reference molecule but possessing minor amino acid substitutions that do not substantially affect the immunogenicity of the protein are, therefore, within the definition of the reference polypeptide.

The term “epitope” refers to the site on an antigen or hapten to which specific B cells and/or T cells respond. The term is also used interchangeably with “antigenic determinant” or “antigenic determinant site”. Antibodies that recognize the same epitope can be identified in a simple immunoassay showing the ability of one antibody to block the binding of another antibody to a target antigen.

An “immunological response” to a composition or vaccine is the development in the host of a cellular and/or antibody-mediated immune response to a composition or vaccine of interest. Usually, an “immunological response” includes but is not limited to one or more of the following effects: the production of antibodies, B cells, helper T cells, and/or cytotoxic T cells, directed specifically to an antigen or antigens included in the composition or vaccine of interest. Preferably, the host will display either a therapeutic or protective immunological response such that resistance to new infection will be enhanced and/or the clinical severity of the disease reduced. Such protection will be demonstrated by either a reduction or lack of symptoms normally displayed by an infected host, a quicker recovery time and/or a lowered viral titer in the infected host.

The terms “immunogenic” protein or polypeptide as used herein also refers to an amino acid sequence which elicits an immunological response as described above. An “immunogenic” protein or polypeptide, as used herein, includes the full-length sequence of the protein, analogs thereof, or immunogenic fragments thereof. By “immunogenic fragment” is meant a fragment of a protein which includes one or more epitopes and thus elicits the immunological response described above. Such fragments can be identified using any number of epitope mapping techniques, well known in the art. See, e.g., Epitope Mapping Protocols in Methods in Molecular Biology, Vol. 66 (Glenn E. Morris, Ed., 1996). For example, linear epitopes may be determined by e.g., concurrently synthesizing large numbers of peptides on solid supports, the peptides corresponding to portions of the protein molecule, and reacting the peptides with antibodies while the peptides are still attached to the supports. Such techniques are known in the art and described in, e.g., U.S. Pat. No. 4,708,871; Geysen et al., 1984; Geysen et al., 1986, all incorporated herein by reference in their entireties. Similarly, conformational epitopes are readily identified by determining spatial conformation of amino acids such as by, e.g., x-ray crystallography and 2-dimensional nuclear magnetic resonance. See, e.g., Epitope Mapping Protocols, supra. Methods especially applicable to the proteins of T. parva are fully described in the PCT Application Serial No. PCT/US2004/022605 incorporated herein by reference in its entirety.

Synthetic antigens are also included within the definition, for example, polyepitopes, flanking epitopes, and other recombinant or synthetically derived antigens. See, e.g., Bergmann et al., 1993; Bergmann et al., 1996; Suhrbier, 1997; Gardner et al., 1998. Immunogenic fragments, for purposes of the present invention, will usually include at least about 3 amino acids, preferably at least about 5 amino acids, more preferably at least about 10-15 amino acids, and most preferably about 15-25 amino acids or more amino acids, of the molecule. There is no critical upper limit to the length of the fragment, which could comprise nearly the full-length of the protein sequence, or even a fusion protein comprising at least one epitope of the protein.

Accordingly, a minimum structure of a polynucleotide expressing an epitope is that it comprises or consists essentially of or consists of nucleotides to encode an epitope or antigenic determinant of an influenza protein or polyprotein. A polynucleotide encoding a fragment of the total protein or polyprotein, more advantageously, comprises or consists essentially of or consists of a minimum of 15 nucleotides, at least 15-30, advantageously about 30-45 nucleotides, and preferably about 45-75, at least 57, 87 or 150 consecutive or contiguous nucleotides of the sequence encoding the total protein or polyprotein. Epitope determination procedures, such as, generating overlapping peptide libraries (Hemmer et al., 1998), Pepscan (Geysen et al., 1984; Geysen et al., 1985; Van der Zee R. et al., 1989; Geysen, 1990; Multipin.®. Peptide Synthesis Kits de Chiron) and algorithms (De Groot et al., 1999), and in PCT Application Serial No. PCT/US2004/022605 all of which are incorporated herein by reference in their entireties, can be used in the practice of the invention, without undue experimentation. Other documents cited and incorporated herein may also be consulted for methods for determining epitopes of an immunogen or antigen and thus nucleic acid molecules that encode such epitopes.

A “polynucleotide” is a polymeric form of nucleotides of any length, which contain deoxyribonucleotides, ribonucleotides, and analogs in any combination. Polynucleotides may have three-dimensional structure, and may perform any function, known or unknown. The term “polynucleotide” includes double-, single-stranded, and triple-helical molecules. Unless otherwise specified or required, any embodiment of the invention described herein that is a polynucleotide encompasses both the double stranded form and each of two complementary forms known or predicted to make up the double stranded form of either the DNA, RNA or hybrid molecule.

The following are non-limiting examples of polynucleotides: a gene or gene fragment, exons, introns, mRNA, tRNA, rRNA, ribozymes, cDNA, recombinant polynucleotides, branched polynucleotides, plasmids, vectors, isolated DNA of any sequence, isolated RNA of any sequence, nucleic acid probes and primers. A polynucleotide may comprise modified nucleotides, such as methylated nucleotides and nucleotide analogs, uracyl, other sugars and linking groups such as fluororibose and thiolate, and nucleotide branches. The sequence of nucleotides may be further modified after polymerization, such as by conjugation, with a labeling component. Other types of modifications included in this definition are caps, substitution of one or more of the naturally occurring nucleotides with an analog, and introduction of means for attaching the polynucleotide to proteins, metal ions, labeling components, other polynucleotides or solid support. The polynucleotides can be obtained by chemical synthesis or derived from a microorganism.

The invention further comprises a complementary strand to a polynucleotide encoding an influenza antigen, epitope or immunogen. The complementary strand can be polymeric and of any length, and can contain deoxyribonucleotides, ribonucleotides, and analogs in any combination.

The terms “protein”, “peptide”, “polypeptide” and “polypeptide fragment” are used interchangeably herein to refer to polymers of amino acid residues of any length. The polymer can be linear or branched, it may comprise modified amino acids or amino acid analogs, and it may be interrupted by chemical moieties other than amino acids. The terms also encompass an amino acid polymer that has been modified naturally or by intervention; for example disulfide bond formation, glycosylation, lipidation, acetylation, phosphorylation, or any other manipulation or modification, such as conjugation with a labeling or bioactive component.

An “isolated” polynucleotide or polypeptide is one that is substantially free of the materials with which it is associated in its native environment. By substantially free, is meant at least 50%, advantageously at least 70%, more advantageously at least 80%, and even more advantageously at least 90% or at least 95% free of these materials.

Hybridization reactions can be performed under conditions of different “stringency.” Conditions that increase stringency of a hybridization reaction are well known. See for example, “Molecular Cloning: A Laboratory Manual”, second edition (Sambrook et al., 1989). Examples of relevant conditions include (in order of increasing stringency): incubation temperatures of 25° C., 37° C., 50° C., and 68° C.; buffer concentrations of 10×SSC, 6×SSC, 1×SSC, 0.1×SSC (where SSC is 0.15 M NaCl and 15 mM citrate buffer) and their equivalent using other buffer systems; formamide concentrations of 0%, 25%, 50%, and 75%; incubation times from 5 minutes to 24 hours; 1, 2 or more washing steps; wash incubation times of 1, 2, or 15 minutes; and wash solutions of 6×SSC, 1×SSC, 0.1×SSC, or deionized water.

The invention further encompasses polynucleotides encoding functionally equivalent variants and derivatives of the influenza polypeptides and functionally equivalent fragments thereof which may enhance, decrease or not significantly affect properties of the polypeptides encoded thereby. These functionally equivalent variants, derivatives, and fragments display the ability to retain influenza activity. For instance, changes in a DNA sequence that do not change the encoded amino acid sequence, as well as those that result in conservative substitutions of amino acid residues, one or a few amino acid deletions or additions, and substitution of amino acid residues by amino acid analogs are those which will not significantly affect properties of the encoded polypeptide. Conservative amino acid substitutions are glycine/alanine; valine/isoleucine/leucine; asparagine/glutamine; aspartic acid/glutamic acid; serine/threonine/methionine; lysine/arginine; and phenylalanine/tyrosine/tryptophan. In one embodiment, the variants have at least 50%, at least 55%, at least 60%, at least 65%, at least 70%, at least 75%, at least 80%, at least 85%, at least 86%, at least 87%, at least 88%, at least 89%, at least 90%, at least 91%, at least 92%, at least 93%, at least 94%, at least 95%, at least 96%, at least 97%, at least 98% or at least 99% homology or identity to the influenza polynucleotide or polypeptide of interest.

For the purposes of the present invention, sequence identity or homology is determined by comparing the sequences when aligned so as to maximize overlap and identity while minimizing sequence gaps. In particular, sequence identity may be determined using any of a number of mathematical algorithms. A nonlimiting example of a mathematical algorithm used for comparison of two sequences is the algorithm of Karlin et al., 1990 modified as in Karlin et al., 1993.

Another example of a mathematical algorithm used for comparison of sequences is the algorithm of Myers et al., 1988. Such an algorithm is incorporated into the ALIGN program (version 2.0) which is part of the GCG sequence alignment software package. When utilizing the ALIGN program for comparing amino acid sequences, a PAM120 weight residue table, a gap length penalty of 12, and a gap penalty of 4 can be used. Yet another useful algorithm for identifying regions of local sequence similarity and alignment is the FASTA algorithm as described in Pearson et al., 1988.

Advantageous for use according to the present invention is the WU-BLAST (Washington University BLAST) version 2.0 software. WU-BLAST version 2.0 executable programs for several UNIX platforms can be downloaded from ftp://blast.wustl.edu/blast/executables. This program is based on WU-BLAST version 1.4, which in turn is based on the public domain NCBI-BLAST version 1.4 (Altschul et al., 1996; Altschul et al., 1990; Gish et al., 1993; Karlin et al., 1993; all of which are incorporated by reference herein).

In general, comparison of amino acid sequences is accomplished by aligning an amino acid sequence of a polypeptide of a known structure with the amino acid sequence of a the polypeptide of unknown structure. Amino acids in the sequences are then compared and groups of amino acids that are homologous are grouped together. This method detects conserved regions of the polypeptides and accounts for amino acid insertions and deletions. Homology between amino acid sequences can be determined by using commercially available algorithms (see also the description of homology above). In addition to those otherwise mentioned herein, mention is made too of the programs BLAST, gapped BLAST, BLASTN, BLASTP, and PSI-BLAST, provided by the National Center for Biotechnology Information. These programs are widely used in the art for this purpose and can align homologous regions of two amino acid sequences.

In all search programs in the suite the gapped alignment routines are integral to the database search itself. Gapping can be turned off if desired. The default penalty (Q) for a gap of length one is Q=9 for proteins and BLASTP, and Q=10 for BLASTN, but may be changed to any integer. The default per-residue penalty for extending a gap (R) is R=2 for proteins and BLASTP, and R=10 for BLASTN, but may be changed to any integer. Any combination of values for Q and R can be used in order to align sequences so as to maximize overlap and identity while minimizing sequence gaps. The default amino acid comparison matrix is BLOSUM62, but other amino acid comparison matrices such as PAM can be utilized.

Alternatively or additionally, the term “homology” or “identity”, for instance, with respect to a nucleotide or amino acid sequence, can indicate a quantitative measure of homology between two sequences. The percent sequence homology can be calculated as

(N_(ref)−N_(dif))*100/N_(ref) wherein N_(dif) is the total number of non-identical residues in the two sequences when aligned and wherein N_(ref) is the number of residues in one of the sequences. Hence, the DNA sequence AGTCAGTC will have a sequence identity of 75% with the sequence AATCAATC (N_(ref)=8; N_(dif)=2).

Alternatively or additionally, “homology” or “identity” with respect to sequences can refer to the number of positions with identical nucleotides or amino acids divided by the number of nucleotides or amino acids in the shorter of the two sequences wherein alignment of the two sequences can be determined in accordance with the Wilbur and Lipman algorithm (Wilbur et al., 1983, incorporated herein by reference), for instance, using a window size of 20 nucleotides, a word length of 4 nucleotides, and a gap penalty of 4, and computer-assisted analysis and interpretation of the sequence data including alignment can be conveniently performed using commercially available programs (e.g., Intelligenetics™ Suite, Intelligenetics Inc. CA). When RNA sequences are said to be similar, or have a degree of sequence identity or homology with DNA sequences, thymidine (T) in the DNA sequence is considered equal to uracil (U) in the RNA sequence. Thus, RNA sequences are within the scope of the invention and can be derived from DNA sequences, by thymidine (T) in the DNA sequence being considered equal to uracil (U) in RNA sequences.

And, without undue experimentation, the skilled artisan can consult with many other programs or references for determining percent homology.

The invention further encompasses the influenza polynucleotides contained in a vector molecule or an expression vector and operably linked to a promoter element and optionally to an enhancer.

The vector is advantageously a poxvirus, particularly a vaccinia virus or an avipox virus, such as fowlpox virus or canarypox virus. Advantageously, the virus is a fowlpox virus. An advantageous fowlpox strains may be an attenuated strain. The vector can express at least one epitope from avian strains. Advantageous fowlpox constructs include, but are not limited to, vFP89 and vFP2211. Alternatively, the virus is advantageously a canarypox virus. Advantageous canarypox strains may be an attenuated strain. The vector can express at least one epitope of an avian strain. An advantageous canarypox construct includes, but is not limited to, vCP2241. Recombinant avipox viruses (see, e.g., U.S. Pat. Nos. 5,505,941 and 5,756,103), such as an attenuated recombinant fowlpox virus, for instance TROVAC, or an attenuated canarypox virus, for instance ALVAC, are especially advantageous. In one advantageous embodiment, the recombinant TROVAC vaccine described by Karaca et al., 2005, the disclosure of which is incorporated by reference, may be used as a feline influenza immunological composition or vaccine. Other viruses that may be used in methods of the invention include, but are not limited to, vaccinia viruses, such as an attenuated vaccinia virus, for instance NYVAC, adenoviruses, such as canine adenoviruses (CAV), and herpesviruses, such as canine herpesvirus (CHV) or a feline herpesvirus (FHV).

A “vector” refers to a recombinant DNA or RNA plasmid or virus that comprises a heterologous polynucleotide to be delivered to a target cell, either in vitro or in vivo. The heterologous polynucleotide may comprise a sequence of interest for purposes of prevention or therapy, and may optionally be in the form of an expression cassette. As used herein, a vector needs not be capable of replication in the ultimate target cell or subject. The term includes cloning vectors also included are viral vectors.

The term “recombinant” means a polynucleotide semisynthetic, or synthetic origin which either does not occur in nature or is linked to another polynucleotide in an arrangement not found in nature.

“Heterologous” means derived from a genetically distinct entity from the rest of the entity to which it is being compared. For example, a polynucleotide, may be placed by genetic engineering techniques into a plasmid or vector derived from a different source, and is a heterologous polynucleotide. A promoter removed from its native coding sequence and operatively linked to a coding sequence other than the native sequence is a heterologous promoter.

The polynucleotides of the invention may comprise additional sequences, such as additional encoding sequences within the same transcription unit, controlling elements such as promoters, ribosome binding sites, 5′UTR, 3′UTR, transcription terminators, polyadenylation sites, additional transcription units under control of the same or a different promoter, sequences that permit cloning, expression, homologous recombination, and transformation of a host cell, and any such construct as may be desirable to provide embodiments of this invention.

Elements for the expression of an influenza polypeptide, antigen, epitope or immunogen are advantageously present in an inventive vector. In minimum manner, this comprises, consists essentially of, or consists of an initiation codon (ATG), a stop codon and a promoter, and optionally also a polyadenylation sequence for certain vectors such as plasmid and certain viral vectors, e.g., viral vectors other than poxviruses. When the polynucleotide encodes a polyprotein fragment, e.g. an influenza peptide, advantageously, in the vector, an ATG is placed at 5′ of the reading frame and a stop codon is placed at 3′. Other elements for controlling expression may be present, such as enhancer sequences, stabilizing sequences, such as intron and signal sequences permitting the secretion of the protein.

Methods for making and/or administering a vector or recombinants or plasmid for expression of gene products of genes of the invention either in vivo or in vitro can be any desired method, e.g., a method which is by or analogous to the methods disclosed in, or disclosed in documents cited in: U.S. Pat. Nos. 4,603,112; 4,769,330; 4,394,448; 4,722,848; 4,745,051; 4,769,331; 4,945,050; 5,494,807; 5,514,375; 5,744,140; 5,744,141; 5,756,103; 5,762,938; 5,766,599; 5,990,091; 5,174,993; 5,505,941; 5,338,683; 5,494,807; 5,591,639; 5,589,466; 5,677,178; 5,591,439; 5,552,143; 5,580,859; 6,130,066; 6,004,777; 6,130,066; 6,497,883; 6,464,984; 6,451,770; 6,391,314; 6,387,376; 6,376,473; 6,368,603; 6,348,196; 6,306,400; 6,228,846; 6,221,362; 6,217,883; 6,207,166; 6,207,165; 6,159,477; 6,153,199; 6,090,393; 6,074,649; 6,045,803; 6,033,670; 6,485,729; 6,103,526; 6,224,882; 6,312,682; 6,348,450, 6,312,683, and 6,596,279; U.S. patent application Serial No. 920,197, filed Oct. 16, 1986; WO 90/01543; WO91/11525; WO 94/16716; WO 96/39491; WO 98/33510; EP 265785; EP 0 370 573; Andreansky et al., 1996; Ballay et al., 1993; Felgner et al., 1994; Frolov et al., 1996; Graham, 1990; Grunhaus et al., 1992; Ju et al., 1998; Kitson et al., 1991; McClements et al., 1996; Moss, 1996; Paoletti, 1996; Pennock et al., 1984; Richardson (Ed), 1995; Smith et al., 1983; Robertson et al., 1996; Robinson et al., 1997; and Roizman, 1996. Thus, the vector in the invention can be any suitable recombinant virus or virus vector, such as a poxvirus (e.g., vaccinia virus, avipox virus, canarypox virus, fowlpox virus, raccoonpox virus, swinepox virus, etc.), adenovirus (e.g., human adenovirus, canine adenovirus), herpesvirus (e.g. canine herpesvirus), baculovirus, retrovirus, etc. (as in documents incorporated herein by reference); or the vector can be a plasmid. The herein cited and incorporated herein by reference documents, in addition to providing examples of vectors useful in the practice of the invention, can also provide sources for non-influenza peptides or fragments thereof to be expressed by vector or vectors in, or included in, the compositions of the invention.

The present invention also relates to preparations comprising vectors, such as expression vectors, e.g., therapeutic compositions. The preparations can comprise, consist essentially of, or consist of one or more vectors, e.g., expression vectors, such as in vivo expression vectors, comprising, consisting essentially or consisting of (and advantageously expressing) one or more of influenza polypeptides, antigens, epitopes or immunogens. Advantageously, the vector contains and expresses a polynucleotide that includes, consists essentially of, or consists of a polynucleotide coding for (and advantageously expressing) an influenza antigen, epitope or immunogen, in a pharmaceutically or veterinarily acceptable carrier, excipient or vehicle. Thus, according to an embodiment of the invention, the other vector or vectors in the preparation comprises, consists essentially of or consists of a polynucleotide that encodes, and under appropriate circumstances the vector expresses one or more other proteins of an influenza polypeptide, antigen, epitope or immunogen (e.g., hemagglutinin, neuraminidase, nucleoprotein) or a fragment thereof.

According to another embodiment, the vector or vectors in the preparation comprise, or consist essentially of, or consist of polynucleotide(s) encoding one or more proteins or fragment(s) thereof of an influenza polypeptide, antigen, epitope or immunogen, the vector or vectors expressing the polynucleotide(s). The inventive preparation advantageously comprises, consists essentially of, or consists of, at least two vectors comprising, consisting essentially of, or consisting of, and advantageously also expressing, advantageously in vivo under appropriate conditions or suitable conditions or in a suitable host cell, polynucleotides from different feline influenza isolates encoding the same proteins and/or for different proteins, but advantageously the same proteins. Preparations containing one or more vectors containing, consisting essentially of or consisting of polynucleotides encoding, and advantageously expressing, advantageously in vivo, an influenza polypeptide, antigen, fusion protein or an epitope thereof. The invention is also directed at mixtures of vectors that contain, consist essentially of, or consist of coding for, and express, different influenza polypeptides, antigens, epitopes or immunogens, e.g., an influenza polypeptide, antigen, epitope or immunogen from different species such as, but not limited to, humans, horses, pigs, in addition to avian species including chicken, ducks and geese.

According to one embodiment of the invention, the expression vector is a viral vector, in particular an in vivo expression vector. In an advantageous embodiment, the expression vector is an adenovirus vector. Advantageously, the adenovirus is a human Ad5 vector, an E1-deleted and/or an E3-deleted adenovirus.

In one particular embodiment the viral vector is a poxvirus, e.g. a vaccinia virus or an attenuated vaccinia virus, (for instance, MVA, a modified Ankara strain obtained after more than 570 passages of the Ankara vaccine strain on chicken embryo fibroblasts; see Stickl et al., 1971; Sutter et al., 1992; available as ATCC VR-1508; or NYVAC, available under VR-2259, see U.S. Pat. No. 5,494,807, for instance, Examples 1 to 6 and et seq of U.S. Pat. No. 5,494,807 which discuss the construction of NYVAC, as well as variations of NYVAC with additional ORFs deleted from the Copenhagen strain vaccinia virus genome, as well as the insertion of heterologous coding nucleic acid molecules into sites of this recombinant, and also, the use of matched promoters; see also WO96/40241), an avipox virus or an attenuated avipox virus (e.g., canarypox, fowlpox, dovepox, pigeonpox, quailpox, ALVAC, available under VR-2547, or TROVAC; available under VR-2553, see, e.g., U.S. Pat. Nos. 5,505,941, 5,494,807), swinepox, raccoonpox, camelpox, or myxomatosis virus.

According to another embodiment of the invention, the poxvirus vector is a fowlpox virus or a canarypox virus vector, advantageously an attenuated fowlpox virus or canarypox virus. In this regard, attenuated fowlpox viruses are available, such asDIFTOSEC CT strain marketed by MERIAL and the NOBILIS VARIOLE vaccine marketed by INTERVET. Attenuated fowlpox viruses are described in U.S. Pat. No. 5,766,599 which pertains to the attenuated fowlpox strain TROVAC. Canarypox viruses are also available from the ATCC under access number VR-111, and are described in U.S. Pat. No. 5,756,103 (ALVAC) and WO01/05934.

For information on the method to generate recombinants thereof and how to administer recombinants thereof, the skilled artisan can refer documents cited herein and to WO90/12882, e.g., as to vaccinia virus mention is made of U.S. Pat. Nos. 4,769,330, 4,722,848, 4,603,112, 5,110,587, 5,494,807, and 5,762,938 inter alia; as to fowlpox, mention is made of U.S. Pat. Nos. 5,174,993, 5,505,941 and U.S. Pat. No. 5,766,599 inter alia; as to canarypox mentionis made of U.S. Pat. No. 5,756,103 inter alia; as to swinepox mention is made of U.S. Pat. No. 5,382,425 inter alia; and, as to raccoonpox, mention is made of WO00/03030 inter alia.

When the expression vector is a vaccinia virus, insertion site or sites for the polynucleotide or polynucleotides to be expressed are advantageously at the thymidine kinase (TK) gene or insertion site, the hemagglutinin (HA) gene or insertion site, the region encoding the inclusion body of the A type (ATI); see also documents cited herein, especially those pertaining to vaccinia virus. In the case of fowlpox, advantageously the insertion site or sites are ORFs F7 and/or F8; see also documents cited herein, especially those pertaining to fowlpox virus. In the case of canarypox, advantageously the insertion site or sites are ORF(s) C3, C5 and/or C6; see also documents cited herein, especially those pertaining to canarypox virus. The insertion site or sites for MVA virus area advantageously as in various publications, including Carroll et al., 1997; Stittelaar et al., 2000; Sutter et al., 1994; and, in this regard it is also noted that the complete MVA genome is described in Antoine, 1998, which enables the skilled artisan to use other insertion sites or other promoters.

Advantageously, the polynucleotide to be expressed is inserted under the control of a specific poxvirus promoter, e.g., the vaccinia promoter 7.5 kDa (Cochran et al., 1985), the vaccinia promoter 13L (Riviere et al., 1992), the vaccinia promoter HA (Shida, 1986), the cowpox promoter ATI (Funahashi et al., 1988), the vaccinia promoter H6 (Taylor et al., 1988b; Guo et al., 1989; Perkus et al., 1989), inter alia.

In a particular embodiment the viral vector is an adenovirus, such as a human adenovirus (HAV) or a canine adenovirus (CAV).

In one embodiment the viral vector is a human adenovirus, in particular a serotype 5 adenovirus, rendered incompetent for replication by a deletion in the E1 region of the viral genome, in particular from about nucleotide 459 to about nucleotide 3510 by reference to the sequence of the hAd5 disclosed in Genbank under the accession number M73260 and in the referenced publication Chroboczek et al, 1992. The deleted adenovirus is propagated in E1-expressing 293 (Graham et al., 1977) or PER cells, in particular PER.C6 (Falloux et al., 1998). The human adenovirus can be deleted in the E3 region, in particular from about nucleotide 28592 to about nucleotide 30470. The deletion in the E1 region can be done in combination with a deletion in the E3 region (see, e.g. Shriver et al., 2002; Graham et al., 1991; Ilan et al., 1997; U.S. Pat. Nos. 6,133,028 and 6,692,956; Tripathy et al., 1994; Tapnell, 1993; Danthinne et al., 2000; Berkner, 1988; Berkner et al., 1983; Chavier et al., 1996). The insertion sites can be the E1 and/or E3 loci (region) eventually after a partial or complete deletion of the E1 and/or E3 regions. Advantageously, when the expression vector is an adenovirus, the polynucleotide to be expressed is inserted under the control of a promoter functional in eukaryotic cells, such as a strong promoter, preferably a cytomegalovirus immediate-early gene promoter (CMV-IE promoter), in particular the enhancer/promoter region from about nucleotide −734 to about nucleotide +7 in Boshart et al., 1985 or the enhancer/promoter region from the pCI vector from Promega Corp. The CMV-IE promoter is advantageously of murine or human origin. The promoter of the elongation factor 1 a can also be used. A muscle specific promoter can also be used (Li et al., 1999). Strong promoters are also discussed herein in relation to plasmid vectors. In one embodiment, a splicing sequence can be located downstream of the enhancer/promoter region. For example, the intron 1 isolated from the CMV-IE gene (Stenberg et al., 1984), the intron isolated from the rabbit or human β-globin gene, in particular the intron 2 from the b-globin gene, the intron isolated from the immunoglobulin gene, a splicing sequence from the SV40 early gene or the chimeric intron sequence isolated from the pCI vector from Promege Corp. comprising the human β-globin gene donor sequence fused to the mouse immunoglobulin acceptor sequence (from about nucleotide 890 to about nucleotide 1022 in Genbank under the accession number CVU47120). A poly(A) sequence and terminator sequence can be inserted downstream the polynucleotide to be expressed, e.g. a bovine growth hormone gene, in particular from about nucleotide 2339 to about nucleotide 2550 in Genbank under the accession number BOVGHRH, a rabbit β-globin gene or a SV40 late gene polyadenylation signal.

In another embodiment the viral vector is a canine adenovirus, in particular a CAV-2 (see, e.g. Fischer et al., 2002; U.S. Pat. Nos. 5,529,780 and 5,688,920; PCT Application No. WO95/14102). For CAV, the insertion sites can be in the E3 region and/or in the region located between the E4 region and the right ITR region (see U.S. Pat. Nos. 6,090,393 and 6,156,567). In one embodiment the insert is under the control of a promoter, such as a cytomegalovirus immediate-early gene promoter (CMV-IE promoter) or a promoter already described for a human adenovirus vector. A poly(A) sequence and terminator sequence can be inserted downstream the polynucleotide to be expressed, e.g. a bovine growth hormone gene or a rabbit β-globin gene polyadenylation signal.

In another particular embodiment the viral vector is a herpesvirus such as a canine herpesvirus (CHV) or a feline herpesvirus (FHV). For CHV, the insertion sites may be in particular in the thymidine kinase gene, in the ORF3, or in the UL43 ORF (see U.S. Pat. No. 6,159,477). In one embodiment the polynucleotide to be expressed is inserted under the control of a promoter functional in eukaryotic cells, advantageously a CMV-IE promoter (murine or human). A poly(A) sequence and terminator sequence can be inserted downstream the polynucleotide to be expressed, e.g. bovine growth hormone or a rabbit β-globin gene polyadenylation signal.

According to a yet further embodiment of the invention, the expression vector is a plasmid vector or a DNA plasmid vector, in particular an in vivo expression vector. In a specific, non-limiting example, the pVR1020 or 1012 plasmid (VICAL Inc.; Luke et al., 1997; Hartikka et al., 1996, see, e.g., U.S. Pat. Nos. 5,846,946 and 6,451,769) can be utilized as a vector for the insertion of a polynucleotide sequence. The pVR1020 plasmid is derived from pVR1012 and contains the human tPA signal sequence. In one embodiment the human tPA signal comprises from amino acid M(1) to amino acid S(23) in Genbank under the accession number HUMTPA14. In another specific, non-limiting example, the plasmid utilized as a vector for the insertion of a polynucleotide sequence can contain the signal peptide sequence of equine IGF1 from amino acid M(24) to amino acid A(48) in Genbank under the accession number U28070. Additional information on DNA plasmids which may be consulted or employed in the practice are found, for example, in U.S. Pat. Nos. 6,852,705; 6,818,628; 6,586,412; 6,576,243; 6,558,674; 6,464,984; 6,451,770; 6,376,473 and 6,221,362.

The term plasmid covers any DNA transcription unit comprising a polynucleotide according to the invention and the elements necessary for its in vivo expression in a cell or cells of the desired host or target; and, in this regard, it is noted that a supercoiled or non-supercoiled, circular plasmid, as well as a linear form, are intended to be within the scope of the invention.

Each plasmid comprises or contains or consists essentially of, in addition to the polynucleotide encoding an influenza antigen, epitope or immunogen, optionally fused with a heterologous peptide sequence, variant, analog or fragment, operably linked to a promoter or under the control of a promoter or dependent upon a promoter. In general, it is advantageous to employ a strong promoter functional in eukaryotic cells. The preferred strong promoter is the immediate early cytomegalovirus promoter (CMV-IE) of human or murine origin, or optionally having another origin such as the rat or guinea pig. The CMV-IE promoter can comprise the actual promoter part, which may or may not be associated with the enhancer part. Reference can be made to EP-A-260 148, EP-A-323 597, U.S. Pat. Nos. 5,168,062, 5,385,839, and 4,968,615, as well as to PCT Application No WO87/03905. The CMV-IE promoter is advantageously a human CMV-IE (Boshart et al., 1985) or murine CMV-IE.

In more general terms, the promoter has either a viral or a cellular origin. A strong viral promoter other than CMV-IE that may be usefully employed in the practice of the invention is the early/late promoter of the SV40 virus or the LTR promoter of the Rous sarcoma virus. A strong cellular promoter that may be usefully employed in the practice of the invention is the promoter of a gene of the cytoskeleton, such as e.g. the desmin promoter (Kwissa et al., 2000), or the actin promoter (Miyazaki et al., 1989).

Functional sub fragments of these promoters, i.e., portions of these promoters that maintain an adequate promoting activity, are included within the present invention, e.g. truncated CMV-IE promoters according to PCT Application No. WO98/00166 or U.S. Pat. No. 6,156,567 can be used in the practice of the invention. A promoter in the practice of the invention consequently includes derivatives and sub fragments of a full-length promoter that maintain an adequate promoting activity and hence function as a promoter, preferably promoting activity substantially similar to that of the actual or full-length promoter from which the derivative or sub fragment is derived, e.g., akin to the activity of the truncated CMV-IE promoters of U.S. Pat. No. 6,156,567 to the activity of full-length CMV-IE promoters. Thus, a CMV-IE promoter in the practice of the invention can comprise or consist essentially of or consist of the promoter portion of the full-length promoter and/or the enhancer portion of the full-length promoter, as well as derivatives and sub fragments.

Preferably, the plasmids comprise or consist essentially of other expression control elements. It is particularly advantageous to incorporate stabilizing sequence(s), e.g., intron sequence(s), preferably the first intron of the hCMV-IE (PCT Application No. WO89/01036), the intron II of the rabbit β-globin gene (van Ooyen et al., 1979).

As to the polyadenylation signal (polyA) for the plasmids and viral vectors other than poxviruses, use can more be made of the poly(A) signal of the bovine growth hormone (bGH) gene (see U.S. Pat. No. 5,122,458), or the poly(A) signal of the rabbit β-globin gene or the poly(A) signal of the SV40 virus.

According to another embodiment of the invention, the expression vectors are expression vectors used for the in vitro expression of proteins in an appropriate cell system. The expressed proteins can be harvested in or from the culture supernatant after, or not after secretion (if there is no secretion a cell lysis typically occurs or is performed), optionally concentrated by concentration methods such as ultrafiltration and/or purified by purification means, such as affinity, ion exchange or gel filtration-type chromatography methods.

A “host cell” denotes a prokaryotic or eukaryotic cell that has been genetically altered, or is capable of being genetically altered by administration of an exogenous polynucleotide, such as a recombinant plasmid or vector. When referring to genetically altered cells, the term refers both to the originally altered cell and to the progeny thereof. Advantageous host cells include, but are not limited to, baby hamster kidney (BHK) cells, colon carcinoma (Caco-2) cells, COS7 cells, MCF-7 cells, MCF-10A cells, Madin-Darby canine kidney (MDCK) lines, mink lung (Mv1Lu) cells, MRC-5 cells, U937 cells, CHO cells, and VERO cells. Polynucleotides comprising a desired sequence can be inserted into a suitable cloning or expression vector, and the vector in turn can be introduced into a suitable host cell for replication and amplification. Polynucleotides can be introduced into host cells by any means known in the art. The vectors containing the polynucleotides of interest can be introduced into the host cell by any of a number of appropriate means, including direct uptake, endocytosis, transfection, f-mating, electroporation, transfection employing calcium chloride, rubidium chloride, calcium phosphate, DEAE-dextran, or other substances; microprojectile bombardment; lipofection; and infection (where the vector is infectious, for instance, a retroviral vector). The choice of introducing vectors or polynucleotides will often depend on features of the host cell.

In an advantageous embodiment, the invention provides for the administration of a therapeutically effective amount of a formulation for the delivery and expression of an influenza antigen, epitope or immunogen in a target cell. Determination of the therapeutically effective amount is routine experimentation for one of ordinary skill in the art. In one embodiment, the formulation comprises an expression vector comprising a polynucleotide that expresses an influenza antigen, epitope or immunogen and a pharmaceutically or veterinarily acceptable carrier, vehicle or excipient. In an advantageous embodiment, the pharmaceutically or veterinarily acceptable carrier, vehicle or excipient facilitates transfection and/or improves preservation of the vector or protein.

The pharmaceutically or veterinarily acceptable carriers or vehicles or excipients are well known to the one skilled in the art. For example, a pharmaceutically or veterinarily acceptable carrier or vehicle or excipient can be a 0.9% NaCl (e.g., saline) solution or a phosphate buffer. Other pharmaceutically or veterinarily acceptable carrier or vehicle or excipients that can be used for methods of this invention include, but are not limited to, poly-(L-glutamate) or polyvinylpyrrolidone. The pharmaceutically or veterinarily acceptable carrier or vehicle or excipients may be any compound or combination of compounds facilitating the administration of the vector (or protein expressed from an inventive vector in vitro); advantageously, the carrier, vehicle or excipient may facilitate transfection and/or improve preservation of the vector (or protein). Doses and dose volumes are herein discussed in the general description and can also be determined by the skilled artisan from this disclosure read in conjunction with the knowledge in the art, without any undue experimentation.

The cationic lipids containing a quaternary ammonium salt which are advantageously but not exclusively suitable for plasmids, are advantageously those having the following formula:

in which R1 is a saturated or unsaturated straight-chain aliphatic radical having 12 to 18 carbon atoms, R2 is another aliphatic radical containing 2 or 3 carbon atoms and X is an amine or hydroxyl group, e.g. the DMRIE. In another embodiment the cationic lipid can be associated with a neutral lipid, e.g. the DOPE.

Among these cationic lipids, preference is given to DMRIE (N-(2-hydroxyethyl)-N,N-dimethyl-2,3-bis(tetradecyloxy)-1-propane ammonium; WO96/34109), advantageously associated with a neutral lipid, advantageously DOPE (dioleoyl-phosphatidyl-ethanol amine; Behr, 1994), to form DMRIE-DOPE.

Advantageously, the plasmid mixture with the adjuvant is formed extemporaneously and advantageously contemporaneously with administration of the preparation or shortly before administration of the preparation; for instance, shortly before or prior to administration, the plasmid-adjuvant mixture is formed, advantageously so as to give enough time prior to administration for the mixture to form a complex, e.g. between about 10 and about 60 minutes prior to administration, such as approximately 30 minutes prior to administration.

When DOPE is present, the DMRIE:DOPE molar ratio is advantageously about 95: about 5 to about 5: about 95, more advantageously about 1: about 1, e.g., 1:1.

The DMRIE or DMRIE-DOPE adjuvant:plasmid weight ratio can be between about 50: about 1 and about 1: about 10, such as about 10: about 1 and about 1 about 5, and advantageously about 1: about 1 and about 1: about 2, e.g., 1:1 and 1:2.

The invention also provides for inactivated feline influenza immunological compositions or vaccines. As used herein, the term “inactivated immunological composition” or “inactivated vaccine” means a immunological composition or vaccine containing an infectious organism or pathogen that is no longer capable of replication or growth. Inactivation may be accomplished by a variety of methods sufficient to prevent replication or growth of the organism while maintaining its immunogenicity.

The inactivated immunological composition or vaccine may be an inactivated form of an isolate of an influenza virus from an affected cat. The virus may be isolated from the alveoli or lung of an affected cat. In another embodiment, the inactivated immunological composition or vaccine may be an inactivated avian influenza. The inactivated immunological composition or vaccine may be an inactivated version of any one of the influenza strains described above.

An inactivated immunological composition or vaccine may be prepared as well from the harvested culture fluid. The virus may be produced either by inoculation of 10-11-day embryonated eggs (U.S. Pat. No. 6,048,537) or by inoculation of BHK-21 cell culture (Ross et al., 1970; Tolstova et al., 1966; Merten et al., 1996), of MDCK cell culture (Tree et al., 2001; Ghendon et al., 2005; Brands et al., 1999; Youil et al., 2004), of Vero cell culture (Kistner et al., 1998; Govorkova et al., 1996). The allantoic fluid or the cell culture supernatant can be clarified by low centrifugation and/or filtration. The virus can be concentrated by ultrafiltration and can be purified by zonal centrifugation on sucrose gradient (U.S. Pat. No. 6,048,537; O. Kistner et al. idem), by gel filtration (Nayak et al., 2005; Tomita et al., 1971).

Inactivation may be achieved by treating the viruses by any of the methods commonly employed to make inactivated immunological compositions or vaccines. These methods include but are not limited to formaldehyde treatment (O. Kistner et al. idem; Garcia et al., 1998), betapropriolactone treatment (Budowsky et al., 1991; Budowsky et al., 1993; Keverin et al., 2000), ethylene-imine treatment (Swayne et al., 2001), treatment with organic solvents, treatment with detergents, treatment with Tween-ether or treatment with Triton X-100 (J. Vilay et al. idem) for allantoic fluid. For the inactivation the concentration can be about 0.01-0.2% w/v for the formaldehyde; about 0.03-0.2% w/v for the betapropiolactone; about 0.5-20 mM for ethyleneimine. The methods recited herein serve as art-known examples for inactivating virus. Inactivated virus immunological compositions or vaccines are usually administered mixed with an adjuvant. The inactivated immunological composition or vaccine can be administered to the animal by any of a plurality of methods which include but are not limited to inoculation intramuscularly or subcutaneously, spraying, ocularly, nasally, orally, or in ovo.

The immunological compositions and vaccines according to the invention may comprise or consist essentially of one or more adjuvants. Suitable adjuvants for use in the practice of the present invention are (1) polymers of acrylic or methacrylic acid, maleic anhydride and alkenyl derivative polymers, (2) immunostimulating sequences (ISS), such as oligodeoxyribonucleotide sequences having one ore more non-methylated CpG units (Klinman et al., 1996; WO98/16247), (3) an oil in water emulsion, such as the SPT emulsion described on p 147 of “Vaccine Design, The Subunit and Adjuvant Approach” published by M. Powell, M. Newman, Plenum Press 1995, and the emulsion MF59 described on p 183 of the same work, (4) cation lipids containing a quaternary ammonium salt, e.g., DDA (5) cytokines, (6) aluminum hydroxide or aluminum phosphate, (7) saponin or (8) other adjuvants discussed in any document cited and incorporated by reference into the instant application, or (9) any combinations or mixtures thereof.

The oil in water emulsion (3), which is especially appropriate for viral vectors, can be based on: light liquid paraffin oil (European pharmacopoeia type), isoprenoid oil such as squalane, squalene, oil resulting from the oligomerization of alkenes, e.g. isobutene or decene, esters of acids or alcohols having a straight-chain alkyl group, such as vegetable oils, ethyl oleate, propylene glycol, di(caprylate/caprate), glycerol tri(caprylate/caprate) and propylene glycol dioleate, or esters of branched, fatty alcohols or acids, especially isostearic acid esters.

The oil is used in combination with emulsifiers to form an emulsion. The emulsifiers may be nonionic surfactants, such as: esters of on the one hand sorbitan, mannide (e.g. anhydromannitol oleate), glycerol, polyglycerol or propylene glycol and on the other hand oleic, isostearic, ricinoleic or hydroxystearic acids, said esters being optionally ethoxylated, or polyoxypropylene-polyoxyethylene copolymer blocks, such as Pluronic, e.g., L121.

Among the type (1) adjuvant polymers, preference is given to polymers of crosslinked acrylic or methacrylic acid, especially crosslinked by polyalkenyl ethers of sugars or polyalcohols. These compounds are known under the name carbomer (Pharmeuropa, vol. 8, no. 2, June 1996). One skilled in the art can also refer to U.S. Pat. No. 2,909,462, which provides such acrylic polymers crosslinked by a polyhydroxyl compound having at least three hydroxyl groups, preferably no more than eight such groups, the hydrogen atoms of at least three hydroxyl groups being replaced by unsaturated, aliphatic radicals having at least two carbon atoms. The preferred radicals are those containing 2 to 4 carbon atoms, e.g. vinyls, allyls and other ethylenically unsaturated groups. The unsaturated radicals can also contain other substituents, such as methyl. Products sold under the name Carbopol (BF Goodrich, Ohio, USA) are especially suitable. They are crosslinked by allyl saccharose or by allyl pentaerythritol. Among them, reference is made to Carbopol 974P, 934P and 971P.

As to the maleic anhydride-alkenyl derivative copolymers, preference is given to EMA (Monsanto), which are straight-chain or crosslinked ethylene-maleic anhydride copolymers and they are, for example, crosslinked by divinyl ether. Reference is also made to J. Fields et al., 1960.

With regard to structure, the acrylic or methacrylic acid polymers and EMA are preferably formed by basic units having the following formula:

in which:

-   -   R1 and R2, which can be the same or different, represent H or         CH3     -   x=0 or 1, preferably x=1     -   y=1 or 2, with x+y=2.

For EMA, x=0 and y=2 and for carbomers x=y=1.

These polymers are soluble in water or physiological salt solution (20 g/l NaCl) and the pH can be adjusted to 7.3 to 7.4, e.g., by soda (NaOH), to provide the adjuvant solution in which the expression vector(s) can be incorporated. The polymer concentration in the final immunological or vaccine composition can range between 0.01 and 1.5% w/v, advantageously 0.05 to 1% w/v and preferably 0.1 to 0.4% w/v.

The cytokine or cytokines (5) can be in protein form in the immunological or vaccine composition, or can be co-expressed in the host with the immunogen or immunogens or epitope(s) thereof. Preference is given to the co-expression of the cytokine or cytokines, either by the same vector as that expressing the immunogen or immunogens or epitope(s) thereof, or by a separate vector therefor.

The invention comprehends preparing such combination compositions; for instance by admixing the active components, advantageously together and with an adjuvant, carrier, cytokine, and/or diluent.

Cytokines that may be used in the present invention include, but are not limited to, granulocyte colony stimulating factor (G-CSF), granulocyte/macrophage colony stimulating factor (GM-CSF), interferon α(IFNα), interferon β(IFNβ), interferon γ, (IFNγ), interleukin-1α(IL-1α), interleukin-1β(IL-1β), interleukin-2 (IL-2), interleukin-3 (IL-3), interleukin-4 (IL-4), interleukin-5 (IL-5), interleukin-6 (IL-6), interleukin-7 (IL-7), interleukin-8 (IL-8), interleukin-9 (IL-9), interleukin-10 (IL-10), interleukin-11 (IL-11), interleukin-12 (IL-12), tumor necrosis factor α(TNFα), tumor necrosis factor β(TNFβ), and transforming growth factor β(TGFβ). It is understood that cytokines can be co-administered and/or sequentially administered with the immunological or vaccine composition of the present invention. Thus, for instance, the vaccine of the instant invention can also contain an exogenous nucleic acid molecule that expresses in vivo a suitable cytokine, e.g., a cytokine matched to this host to be vaccinated or in which an immunological response is to be elicited (for instance, a feline cytokine for preparations to be administered to felids).

Advantageously, the immunological composition and/or vaccine according to the invention comprise or consist essentially of or consist of an effective quantity to elicit a therapeutic response of one or more expression vectors and/or polypeptides as discussed herein; and, an effective quantity can be determined from this disclosure, including the documents incorporated herein, and the knowledge in the art, without undue experimentation.

In the case of immunological composition and/or vaccine based on a plasmid vector, a dose can comprise, consist essentially of or consist of, in general terms, about in 1 μg to about 2000 μg. advantageously about 50 μg to about 1000 μg and more advantageously from about 100 μg to about 800 μg of plasmid expressing the influenza antigen, epitope or immunogen. When immunological composition and/or vaccine based on a plasmid vector is administered with electroporation the dose of plasmid is generally between about 0.1 μg and 1 mg, advantageously between about 1 μg and 100 μg, advantageously between about 2 μg and 50 μg. The dose volumes can be between about 0.1 and about 2 ml, advantageously between about 0.2 and about 1 ml. These doses and dose volumes are suitable for the treatment of felines.

The immunological composition and/or vaccine contains per dose from about 10⁴ to about 10¹¹, advantageously from about 10⁵ to about 10¹⁰ and more advantageously from about 10⁶ to about 10⁹ viral particles of recombinant adenovirus expressing an influenza antigen, epitope or immunogen. In the case of immunological composition and/or vaccine based on a poxvirus, a dose can be between about 10² pfu and about 10⁹ pfu. The immunological composition and/or vaccine contains per dose from about 10⁵ to 10⁹, advantageously from about 10⁶ to 10⁸ pfu of poxvirus or herpesvirus recombinant expressing the influenza antigen, epitope or immunogen.

The dose volume of compositions for target species that are mammals, e.g., the dose volume of feline compositions, based on viral vectors, e.g., non-poxvirus-viral-vector-based compositions, is generally between about 0.1 to about 2.0 ml, preferably between about 0.1 to about 1.0 ml, and more preferably between about 0.5 ml to about 1.0 ml.

In one embodiment of the invention, a prime-boost regimen can be employed, which is comprised of at least one primary administration and at least one booster administration using at least one common polypeptide, antigen, epitope or immunogen. The immunological composition or vaccine used in primary administration is different in nature from those used as a booster. This administration protocol is called “prime-boost”. The prime-boost protocol according to the invention comprises a primary administration with an immunological composition or vaccine comprising, in a pharmaceutically acceptable vehicle or excipient, a plasmid containing a polynucleotide sequence for expressing, in vivo, an avian influenza polypeptide, antigen, epitope or immunogen, followed by a booster with an immunogical composition or vaccine, or a recombined immunological composition or vaccine comprising, in a pharmaceutically acceptable vehicle or excipient, a viral vector containing a polynucleotide sequence for expressing, in vivo, an avian influenza polypeptide antigen, epitope or immunogen, with the condition according to which at least one of the polypeptides, antigens, epitopes or immunogens is encoded by both the plasmids and the viral vectors. Alternatively, the booster can be comprised of an inactivated immunological composition or vaccine. In another alternative embodiment, the avian influenza polypeptide antigen, epitope or immunogen of the primary administration may derive from a different avian influenza strain than the avian influenza polypeptide antigen, epitope or immunogen of the booster administration

The primary administration may comprise one or more administrations of the same plasmid-based immunological compositions of vaccines. Similarly, the booster administration may comprise one or more administrations of the same viral vector-based immunological composition of vaccine. According to a particular embodiment of the invention, the protocol comprises two successive administrations of the same plasmid-based immunological compositions of vaccines, and then one administration of a viral vector-based immunological composition of vaccine, as a booster. Alternatively, the primary administration may be a plasmid-based or viral vector-based immunological composition or vaccine, and the booster administration may be an inactivated immunological composition or vaccine.

The various administrations are preferably carried out 3 to 6 weeks apart, and more particularly about 4 weeks apart. According to a preferred mode, an annual booster, preferably using the viral vector-based immunological composition of vaccine, is also envisaged. The animals are preferably at least 6 to 8 weeks old at the time of the first administration.

With inactivated compositions of the virus or organism or pathogen produced on the new cell culture, the animal may be administered approximately 10⁴-10⁹ equivalent CCID50 (titer before inactivation), advantageously approximately 10⁵-10⁸ equivalent CCID50 in a single dosage unit. The volume of one single dosage unit can be between 0.2 ml and 5.0 ml and advantageously between 0.5 ml and 2.0 ml and more advantageously about 2.0 ml. One or more administrations can be done; e.g. with two injections at 2-4 weeks interval, and advantageously with a boost about 3 weeks after the first injection.

In an advantageous embodiment, an animal, advantageously a felid, is vaccinated with two doses of inactivated vaccine at about 3 to 4 week intervals via the subcuntaneous route, although an intramuscular route is also contemplated. Blood samples may be collected on the day of the first and/or second vaccination and about 2 to 10 weeks after the second vaccination to determine the levels of anti-influenza virus-specific antibodies by methods known to one of skill in the art, for example, virus neutralization, hemagglutination inhibition, ELISA, or single radial heamolysis (SRH) tests.

The efficacy of the inactivated vaccines may be tested about 2 to 4 weeks after the second immunization by challenging animals, advantageously felids, with a virulent strain of influenza, advantageously the influenza H5N1, H5N8 or H5N9 strains. The animal may be challenged by spray, intra-nassaly, intra-tracheally, orally, and/or by contact. The challenge viral may be about 10⁵⁻⁸ EID50 in a volume depending upon the route of administration. For example, if the administration is by spray, a virus suspension is aerosolized to generate about 1 to 100 μm droplets, if the administration is intra-nasal, intra-tracheal or oral, the volume of the challenge virus is about 0.5 ml, 1-2 ml, and 5-10 ml, respectively. Animals may be observed daily for 14 days following challenge for clinical signs, for example, fever, cough, nasal, ocular discharge, respiratory distress, anorexia, and lethargy. In addition, the groups of animals may be euthanized and evaluated for pathological findings of pulmonary and pleural hemorrhage, tracheitis, bronchitis, broncolilitis, and bronchopneumonia. Tracheal swabs may be collected from all animals post challenge days 1-14 for virus isolation. The presence or absence of viral antigens in respiratory tissues may be evaluated by immunohistochemistry, for example, on days 3, 7, and 10 post-challenge. Blood samples may be collected post-challenge (e.g., on days 7 and 14 post-challenge) and may be analyzed for the presence of anti-influenza H5N1 virus-specific antibody.

It should be understood by one of skill in the art that the disclosure herein is provided by way of example and the present invention is not limited thereto. From the disclosure herein and the knowledge in the art, the skilled artisan can determine the number of administrations, the administration route, and the doses to be used for each injection protocol, without any undue experimentation.

The present invention contemplates at least one administration to an animal of an efficient amount of the therapeutic composition made according to the invention. The animal may be male, female, pregnant female and newborn. This administration may be via various routes including, but not limited to, intramuscular (IM), intradermal (ID) or subcutaneous (SC) injection or via intranasal or oral administration. The therapeutic composition according to the invention can also be administered by a needleless apparatus (as, for example with a Pigjet, Dermojet, Biojector, Vetjet or Vitajet apparatus (Bioject, Oregon, USA)). Another approach to administer plasmid compositions is to use electroporation (see, e.g. Tollefsen et al., 2002; Tollefsen et al., 2003; Babiuk et al., 2002; PCT Application No. WO99/01158). In another embodiment, the therapeutic composition is delivered to the animal by gene gun or gold particle bombardment. In an advantageous embodiment, the animal is a felid.

One embodiment of the invention is a method of eliciting an immune response against avian influenza virus in an animal, comprising administering a formulation for delivery and expression of a recombinant poxvirus influenza immunological composition or vaccine or inactivated influenza immunological composition or vaccine in an effective amount for eliciting an immune response. Still another embodiment of the invention is a method of inducing an immunological or a protective immune response against avian influenza virus in an animal, comprising administering to the animal an effective amount of a formulation for delivery and expression of an influenza antigen, epitope or immunogen wherein the formulation comprises recombinant poxvirus influenza immunological composition or vaccine or inactivated influenza immunological composition or vaccine and a pharmaceutically or veterinarily acceptable carrier, vehicle or excipient.

The invention relates to a method to elicit, induce or stimulate the immune response of an animal, advantageously a felid.

In one embodiment of the invention, the immune response elicited to induced is a protective immune response. As is accepted by those of skill in the art, a protective immune response is one that successfully protects a subject from challenge.

Another embodiment of the invention is a kit for performing a method of inducing an immunological or protective response against influenza in an animal comprising a recombinant influenza poxvirus immunological composition or vaccine or an inactivated influenza immunological composition or vaccine and instructions for performing the method of delivery in an effective amount for eliciting an immune response in the animal.

The invention will now be further described by way of the following non-limiting examples which further illustrate the invention, and are not intended, nor should they be interpreted to, limit the scope of the invention.

EXAMPLES Example 1 Construction and Development of TROVAC AIV H5 (vFP89)

The construction of vFP89 disclosed herein Example 1 can be found in the following U.S. Pat. Nos. 5,494,807, 5,529,780, 5,688,920, 5,756,102, 5,756,103, 5,762,938, 5,766,599, 5,833,975, 5,863,542, 5,942,235, 6,017,542, 6,265,189, 6,309,647, 6,537,594, 6,596,279, and 6,780,407, the disclosures of which are incorporated by reference.

Development of Attenuated Fowlpox Virus

Plasmids containing cDNA clones of the H5 hemagglutinin gene was obtained from Dr. Robert Webster, St. Jude Children's Research Hospital, Memphis, Tenn. The strain of FPV designated FP-1 has been described previously (Taylor et al., 1988a, b). It is a vaccine strain useful in vaccination of day old chickens. The parental virus strain Duvette was obtained in France as a fowlpox scab from a chicken. The virus was attenuated by approximately 50 serial passages in chicken embryonated eggs followed by 25 passages on chick embryo fibroblast (CEF) cells. This virus was obtained in September 1980 by Rhone Merieux, Lyon, France, and a master viral seed established. The virus was received by Virogenetics in September 1989, where it was subjected to four successive plaque purifications. One plaque isolate was further amplified in primary CEF cells and a stock virus, designated as TROVAC, was established. The stock virus used in the in vitro recombination test to produce TROVAC-AIV H5 (vFP89) and TROVAC-AIV H4 (vFP92) had been further amplified though 8 passages in primary CEF cells. The stock virus used to produce TROVAC-AIV H7 (vFP100) had been further amplified through 12 passages in primary CEF cells.

Construction of TROVAC Insertion Plasmid at F8 Locus.

Plasmid pRW731.15 contains a 10 kbp PvuII-PvuII fragment cloned from TROVAC genomic DNA. The nucleotide sequence was determined on both strands for a 3659 bp PvuII-EcoRV fragment. This sequence is shown in SEQ ID NO: 1. The limits of an open reading frame designated in this laboratory as F8 were determined within this sequence. The open reading frame is initiated at position 495 and terminates at position 1887. A deletion was made from position 779 to position 1926, as described below. With respect to plasmid pRW731.15, reference is made to U.S. Pat. Nos. 5,494,807, 5,529,780, 5,756,102, 5,756,103, 5,766,599, 5,833,975, and 6,596,279, the disclosures of which are incorporated by reference.

Plasmid pRW761 is a sub-clone of pRW731.15 containing a 2430 bp EcoRV-EcORV fragment. Plasmid pRW761 was completely digested with XbaI and partially digested with SspI. A 3700 bp XbaI-SspI band was isolated and ligated with the annealed double-stranded oligonucleotides JCA017 (SEQ ID NO: 2) and JCA018 (SEQ ID NO: 3). With respect to plasmid pRW761, reference is made to U.S. Pat. Nos. 5,494,807, 5,529,780, 5,756,102, 5,756,103, 5,766,599, 5,833,975, and 6,596,279, the disclosures of which are incorporated by reference.

JCA017 (SEQ ID NO:2) 5′ CTAGACACTTTATGTTTTTTAATATCCGGTCTTAAA- AGCTTCCCGGGGATCCTTATACGGGGAATAAT 3′ JCA018 (SEQ ID NO:3) 5′ ATTATTCCCCGTATAAGGATCCCCCGGGAAGCTTTT- AAGACCGGATATTAAAAAACATAAAGTGT 3′

The plasmid resulting from this ligation was designated pJCA002. Plasmid pJCA004 contains a non-pertinent gene linked to the vaccinia virus H6 promoter in plasmid pJCA002. The sequence of the vaccinia virus H6 promoter has been previously described (Taylor et al., 1988a, b; Guo et al., 1989; Perkus et al., 1989). Plasmid pJCA004 was digested with EcoRV and BamHI which deletes the non-pertinent gene and a portion of the 3′ end of the H6 promoter. Annealed oligonucleotides RW178 (SEQ ID NO: 4) and RW179 (SEQ ID NO: 5) were cut with EcoRV and BamHI and inserted between the EcoRV and BamHI sites of JCA004 to form pRW846. With respect to plasmids pJCA002, pJCA004, and pRW846, references are made to U.S. Pat. Nos. 5,494,807, 5,529,780, 5,756,102, 5,756,103, 5,766,599, 5,833,975, and 6,596,279, the disclosures of which are incorporated by reference.

RW178 (SEQ ID NO: 4): 5′ TCATTATCGCGATATCCGTGTTAACTAGCTAGCTAA- TTTTTATTCCCGGGATCCTTATCA 3′ RW179 (SEQ ID NO: 5): 5′ GTATAAGGATCCCGGGAATAAAAATTAGCTAGCTA- GTTAACACGGATATCGCGATAATGA 3′

Plasmid pRW846 therefore contains the H6 promoter 5′ of EcoRV in the de-ORFed F8 locus. The HincII site 3′ of the H6 promoter in pRW846 is followed by translation stop codons, a transcriptional stop sequence recognized by vaccinia virus early promoters (Yuen et al., 1987) and a SmaI site.

Construction of Insertion Plasmid for H5 Hemagglutinin at the F8 Locus in TROVAC

A cDNA clone of avian influenza H5 derived from A/Turkey/Ireland/1378/83 was received in plasmid pTH29 from Dr. R. Webster. Synthetic oligonucleotides RW10 (SEQ ID NO: 6) through RW13 (SEQ ID NO: 9) were designed to overlap the translation initiation codon of the previously described vaccinia virus H6 promoter with the ATG of the H5 gene. The sequence continues through the 5′ SalI site of the H5 gene and begins again at the 3′ H5 DraI site containing the H5 stop codon.

RW10 (SEQ ID NO. 6) 5′ GAAAAATTTAAAGTCGACCTGTTTTGTTGAGTTGTTT- GCGTGGTAACCAATGCAAATCTGGTCACT 3′ RW11 (SEQ ID NO. 7) 5′ TCTAGCAAGACTGACTATTGCAAAAAGAAGCACTAT- TTCCTCCATTACGATACAAACTTAACGGAT 3′ RW12 (SEQ ID NO. 8) 5′ ATCCGTTAAGTTTGTATCGTAATGGAGGAAATAGTGC- TTCTTTTTGCAATAGTCAGTCTTGCTAGAAGTGACCAGATTTGCATTGGT 3′ RW13 (SEQ ID NO. 9) 5′TACCACGCAAACAACTCAACAAAACAGGTCGACTTTA- AATTTTTCTGCA 3′

The oligonucleotides were annealed at 95° C. for three minutes followed by slow cooling at room temperature. This results in the following double strand structure.

Cloning of oligonucleotides between the EcoRV and PstI sites of pRW742B resulted in pRW744. Plasmid pRW742B contains the vaccinia virus H6 promoter linked to a non-pertinent gene inserted at the HincI site of pRW731.15 described previously. Digestion with PstI and EcoRV eliminates the non-pertinent gene and the 3′-end of the H6 promoter. Plasmid pRW744 now contains the 3′ portion of the H6 promoter overlapping the ATG of avian influenza H5. The plasmid also contains the H5 sequence through the 5′ SalI site and the 3′ sequence from the H5 stop codon (containing a DraI site). Use of the DraI site removes the H5 3′ non-coding end. The oligonucleotides add a transcription termination signal recognized by early vaccinia virus RNA polymerase (Yuen et al., 1987). To complete the H6 promoted H5 construct, the H5 coding region was isolated as a 1.6 kpb SalI-DraI fragment from pTH29. Plasmid pRW744 was partially digested with DraI, the linear fragment isolated, recut with SalI and the plasmid now with eight bases deleted between SalI and DraI was used as a vector for the 1.6 kpb pTH29 SalI and DraI fragment. The resulting plasmid pRW759 was cut with EcoRV and DraI. The 1.7 kbp PRW759 EcoRV-DraI fragment containing the 3′ H6 promoter and the H5 gene was inserted between the EcoRV and HincII sites of pRW846 (previously described). The resulting plasmid pRW849 contains the H6 promoted avian influenza virus H5 gene in the de-ORFed F8 locus. With respect to plasmids pRW742B, pRW744, pRW759, and pRW849, references are made to U.S. Pat. Nos. 5,494,807, 5,529,780, 5,756,102, 5,756,103, 5,766,599, 5,833,975, and 6,596,279, the disclosures of which are incorporated by reference.

Development of TROVAC-Avian Influenza Virus Recombinants.

Insertion plasmids containing the avian influenza virus HA coding sequences were individually transfected into TROVAC infected primary CEF cells by using the calcium phosphate precipitation method previously described (Panicali et al., 1982; Piccini et al., 1987). Positive plaques were selected on the basis of hybridization to HA specific radiolabelled probes and subjected to sequential rounds of plaque purification until a pure population was achieved. One representative plaque was then amplified to produce a stock virus. Plasmid pRW849 was used in an in vitro recombination test to produce recombinant TROVAC-AIV H5 (vFP89) expressing the H5 hemagglutinin.

Determination of H5 Expression Using Immunofluorescence.

In influenza virus infected cells, the HA molecule is synthesized and glycosylated as a precursor molecule at the rough endoplasmic reticulum. During passage to the plasma membrane it undergoes extensive post-translational modification culminating in proteolytic cleavage into the disulphide linked HA.sub.1 and HA.sub.2 subunits and insertion into the host cell membrane where it is subsequently incorporated into mature viral envelopes. To determine whether the HA molecules produced in cells infected with the TROVAC-AIV recombinant viruses were expressed on the cell surface, immunofluorescence studies were performed. Indirect immunofluorescence was performed as described (Taylor et al., 1990). Surface expression of the H5 hemagglutinin in TROVAC-AIV H5 was confirmed by indirect immunofluorescence. Expression of the H5 hemagglutinin was detected using a pool of monoclonal antibodies specific for the H5 HA.

Characterization of H5 Using Immunoprecipitation.

It has been determined that the sequence at and around the cleavage site of the hemagglutinin molecule plays an important role in determining viral virulence since cleavage of the hemagglutinin polypeptide is necessary for virus particles to be infectious. The hemagglutinin protein of the virulent H5 possesses more than one basic amino acid at the carboxy terminus of HA1. It is thought that this allows cellular proteases which recognize a series of basic amino acids to cleave the hemagglutinin and allow the infectious virus to spread both in vitro and in vivo.

In order to determine that the hemagglutinin molecules expressed by the TROVAC recombinant was authentically processed, immunoprecipitation experiments were performed as described (Taylor et al., 1990) using the specific reagents described above.

Immunoprecipitation analysis of the H5 hemagglutinin showed that the glycoprotein is evident as the two cleavage products HA.sub.1 and HA.sub.2 with approximate molecular weights of 44 and 23 kDa, respectively. No such proteins were precipitated from uninfected cells or cells infected with parental TROVAC. Generation of recombinant virus by recombination, in situ hybridization of nitrocellulose filters and screening for B-galactosidase activity are as previously described (Panicali et al., 1982; Perkus et al., 1989).

Example 2 Construction and Development of TROVAC AIV H5 (vFP2211) AIV H5 HA Gene

The nucleotide sequence used in the construction of vFP2211 was derived from AIV A/Chicken/Indonesia/03H5 HA gene supplied by GeneArt GmbH (Regensburg, Germany). The sequence is synthetic with codon optimization for expression in avian cells and with a modification of HA cleavage site (SEQ ID NO: 15, SEQ ID NO: 16).

Plasmid Construction of pJY1394.1

To construct the donor plasmid pF8 AIV synthetic H5 HA without cleavage site (pJY1394.1), plasmid pRW744 (see Example 1) was partially digested with DraI. The linear fragment was isolated, recut with SalI, and the plasmid now with 8 bases deleted between SalI and DraI was used as a vector for the insertion of the double stranded SalI and DraI fragment comprising the synthetic AIV H5 HA without cleavage site. The resulting plasmid was cut with EcoRV and DraI, providing a 1.8 kbp EcoRV-DraI fragment containing the 3′ H6 promoter and the H5 HA gene. This fragment was inserted between the EcoRV and HincII sites of a donor plasmid based on pRW846 (see Example 1). The resulting plasmid pJY1394.1 contains the vaccinia H6 promoter followed by the synthetic codon-optimized/cleavage site deleted avian influenza virus A/chicken/Indonesia/03H5 HA gene in the de-ORFed F8 locus. With respect to plasmids pRW744 and pRW846, references are made to U.S. Pat. Nos. 5,494,807, 5,529,780, 5,756,102, 5,756,103, 5,766,599, 5,833,975, and 6,596,279, the disclosures of which are incorporated by reference.

Generation of TROVAC AIV H5 Recombinants vFP2211

To generate vFP2211, plasmid pJY1394.1, which contained the synthetic A/chicken/Indonesia/03H5 HA gene, was linearized with NotI restriction enzyme. The linearized fragments were individually transfected into TROVAC-infected primary CEF cells by using the calcium phosphate precipitation method described previously (Panicali et al. 1982; Piccini et al. 1987). After 42 h, the transfected-infected cells were harvested, sonicated and used for recombinant virus screening.

Recombinant plaques were screened based on the plaque lift hybridization method using an AIV-specific probe which was labeled with horse radish peroxidase according to the manufacturer's protocol (Amersham Cat# RPN-3000). After four sequential rounds of plaque purification, the recombinants, designated as vFP2211 and vFP2211, were generated. vFP2211 was confirmed by hybridization as 100% positive for the AIV insert and 100% negative for the F8 ORF.

The vFP2211 recombinants were expanded and concentrated to produce virus stock

Analysis of Recombinant vFP2211

To re-determine genetic purity, the stock of vFP2211 was re-confirmed by hybridization as 100% positive for the AIV probe and 100% negative for the F8 ORF. The stock of vFP2211 was re-confirmed by hybridization but found to be contaminated with the parental virus.

A theoretical restriction enzyme gel for the genomic DNA was created in Vector NTI and is shown in FIG. 3.

Genomic DNA was extracted and digested with BamHI, HindIII and PstI. The genomic DNA was transferred to nylon membrane and analyses were performed by probing with an AIV probe (see FIG. 4). Bands were observed at the expected sizes, indicating the correct insertion of AIV into the F8 locus (see table 1)

TABLE 1 Size of the bands generated by digestion of genomic DNA with restriction enzymes. Restriction Enzymes # of bp BamHI 23567 HindIII 17141 PstI 24376

Expression of the recombinant was examined through Western Blot Analysis. Primary CEF cells were infected with vFP2211 at MOI of 10 and incubated for 24 hours. The supernatant was harvested and clarified, and the cells were harvested and suspended in water to lyse. Lysate and supernatant were separated by 10% SDS-PAGE. The protein was transferred to nylon membrane and then incubated with HA-specific chicken polyserum TK/W1/68. The AIV-specific proteins were visualized using the Amersham ECL chemiluminescence detection system. The results indicated that the vFP2211 recombinants express the AIV HA genes in the cell lysates (see FIG. 5). There is no HA protein secretion into the supernatant.

In addition, an immunoplaque assay of stock using HA-specific chicken polyclonal antiserum TK/W1/68 reveled that the homogeneity of the vFP2211 population was 100% (see FIG. 6)

Furthermore, a more detailed analysis of the P2 stock genomic DNA was performed by PCR amplification and sequence analysis of the flanking arms of the F8 locus and the H6p AIV synthetic H5 HA cleavage mutant insert. Primers 11339 (SEQ ID NO: 12) and 11340(SEQ ID NO: 13), located beyond the arms of the F8 locus in the donor plasmid, were used to amplify the entire F8L-insert-F8R fragment (SEQ ID NO: 14; see FIG. 2). The results showed that the sequences of the H6p AIV synthetic H5 HA cleavage mutant insert and the F8 left and right arms in vFP2211 were correct.

Example 3 Construction and Development of ALVAC AIV H5 (vCP2241) AIV H5 HA Gene

The nucleotide sequence used in the construction of vFP2241 was derived from AIV A/Chicken/Indonesia/03H5 HA gene supplied by GeneArt GmbH (Regensburg, Germany). The sequence is contained in plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox and is synthetic with codon optimization for expression in avian cells and with a modification of HA cleavage site (SEQ ID NO: 15, SEQ ID NO: 16). Comparison between the synthetic H5 HA without cleavage site (from plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox) and wild type H5 HA without cleavage site (Ck/Indonesia/2003) indicate that the nucleotide and amino acid sequences were very similar (see FIGS. 7, 8)

Plasmid Construction of pLH1852.5

To construct the ALVAC plasmid pALVAC C₅H₆p-AIV synthetic H5 HA without cleavage site (pLH1852.5), the plasmid pJY1394.1 (see Example 2) was digested using EcoRV/SpeI digestion in order to isolate the expression cassette comprised of the H6 promoter and synthetic AIV H5 HA gene. This fragment was then ligated to Eco DNA digested pALVAC C₅H₆p donor (pCXL148.2) (see FIG. 9). The resulting plasmid pLH1852.5 (FIG. 10) was confirmed to contain the correct nucleotide (SEQ ID NO: 18) and amino amino acid (SEQ ID NO: 17) sequences.

Generation of ALVAC AIV H5 Recombinants vCP2241

To generate vCP2241, plasmid pLH1852.5, which contained the synthetic A/Chicken/Indonesia/03H5 HA gene, was linearized with NotI restriction enzyme. The linearized fragments were individually transfected into ALVAC-infected primary CEF cells by using the calcium phosphate precipitation method described previously (Panicali et al. 1982; Piccini et al. 1987) (FIG. 11). After 24 h, the transfected-infected cells were harvested, sonicated and used for recombinant virus screening.

Recombinant plaques were screened based on the plaque lift hybridization method using an AIV synthetic H5-specific probe which was labeled with horse radish peroxidase according to the manufacturer's protocol (Amersham Cat# RPN-3001). After four sequential rounds of plaque purification, the recombinants, designated as vCP2241 was generated and confirmed by hybridization as 100% positive for the AIV synthetic H5 insert and 100% negative for the C5 ORF.

A single plaque was selected from the final round of plaque purification and expanded to obtain stocks to amplify vCP2241. The recombinant was re-confirmed by hybridization and was again found to be 100% positive for the AIV synthetic H5 insert and 100% negative for the C5 ORF. The infected cell culture fluid from the roller bottles was harvested and concentrated to produce virus stock.

Analysis of Recombinant vCP2241

To re-determine genetic purity, vCP2241 was re-confirmed by hybridization as 100% positive for the AIV probe and 100% negative for the C5 ORF.

A theoretical restriction enzyme gel for the genomic DNA was created in Vector NTI and is shown in FIG. 12. Genomic DNA was extracted from vCP2241 and digested with BamHI, HindIII and PstI, and separated by 0.8% agarose gel electrophoresis. The results revealed the correct insertion of the foreign gene sequence (see FIG. 13).

The genomic DNA digested with BamHI, HindIII and PstI was transferred to nylon membrane and Southern blot analysis was performed by probing with AIV synthetic H5 probe. Bands were observed at the expected sizes, indicating the correct insertion of AIV synthetic H5 into the C5 locus (FIG. 14)

Expression of the recombinant was examined through Western Blot Analysis. Primary CEF cells were infected vCP2241 at MOI of 10 and incubated at 37° C. for 24 hours. The cells and culture supernatant were then harvested. Sample proteins were separated on a 10% SDS-PAGE gel, transferred to Immobilon nylon membrane, and probed with HA specific chicken polyclonal antiserum (TK/WI/68) at 1:2000. Peroxidase conjugated donkey anti-chicken antiserum was used as a secondary antibody and the bands were visualized using Amersham detection reagents. One protein band was detected in the cell pellets of vCP2241 and vFP2211, indicating the expression of the hemagglutinin protein. The expressed protein did not secrete into the cell culture (FIG. 15)

The homogeneity of the vCP2241 population was 100% as evidenced by an immunoplaque assay, using HA-specific chicken polyclonal antiserum TK/WI/68 (FIG. 16).

A more detailed analysis of the P3 stock genomic DNA was performed by PCR amplification and sequence analysis of the flanking arms of the C5 locus and the AIV synthetic H5 insert. Primers 7931.DC (SEQ ID NO. 20).and 7932.DC (SEQ ID NO: 21) located beyond the arms of the C5 locus (SEQ ID NO. 22, FIG. 17), were used to amplify the entire C5R— AIV synthetic H5 insert-C5L fragment. The results showed that the sequence of the AIV synthetic H5 insert and the C5 left and right arms around the AIV synthetic H5 insert in vCP2241 was correct.

Example 4 Vaccination of Cats with vFP89 (TROVAC AIV-H5)

A study was conducted in which 20 cats, aged 16-18 weeks-old, were randomly divided into 2 groups. The first group was immunized with an attenuated fowlpox (TROVAC) expressing H5 genes from the avian influenza strain A/Turkey/Ireland/1378/83 (vFP89), while the second groups served as a control. On day 0 and day 29, the vaccinated cats were subcutaneously administered 6.8 log10 of 50% cell culture infective dose, per dose (CCID50/dose).

Blood samples were collected from all cats 3 days prior to the first vaccination, and on days 7, 14, 21, 29, 35, and 42 after the first vaccination. A hemagglutination inhibition (HI) test was performed as described previously (Swayne et al., 1997). Briefly, chicken red blood cell-(cRBC)-treated cat serum was serially diluted and then incubated in wells with 4 HA units of homologous (H5N8 AIV A/Turkey/Ireland/1378/83) and heterologous (H5N1 AIV A/Chicken/Indonesia/03) H5 AIV antigens. A 0.5% (vol/vol) suspension of cRBCs were allotted per well. Antibodies titers corresponding to the reciprocal of the highest dilution that inhibited hemagglutination were presented as geometric mean titers (GMTs).

Vaccination did not induce systemic or local adverse reactions. Antibodies to homologous AIV antigen were first detected in 8 of 10 cats at 1 week, and all cats thereafter. The GMTs at days 14, 21, and 29 were 91, 97, and 79, respectively. After the second dose on day 29, the GMTs on day 35 and 42 were 446.

Antibodies to heterologous AIV antigen were detectable after the second vaccination on days 35 and 42, in which the GMTs were 34 and 39, respectively.

Together, these results indicate that the vaccines induced high levels of antibodies to H5 avian influenza virus.

Example 5 Vaccination of Cats with vFP89 (TROVAC AIV-H5) vFP2211 (TROVAC AIV H5) and vCP2241 (ALVAC AIV H5)

A study was conducted in which 24 cats, aged 16-18 weeks old, were randomly divided into 4 groups. Three groups were immunized with either an attenuated fowlpox (TROVAC) expressing H5 gene from the avian influenza strain A/Turkey/Ireland/1378/83 (vFP89), an attenuated fowlpox (TROVAC) expressing H5 gene from the avian influenza strain A/Chicken/Indonesia/03 (vFP2211), or an attenuated canarypox (ALVAC) expressing H5 gene from the avian influenza strain A/Chicken/Indonesia/03 (vCP2241). The fourth group was unvaccinated and served as a control. On day 0 and day 21, the vaccinated cats received subcutaneous injections in the interscapula area of approximately 7.2 log10 of 50% cell culture infective dose, per dose (CCID50/dose).

The vaccines were tirated, as shown in Table 2.

Injection Injection titer titer at D0 at D21 (log10 CCID₅₀/ (log10 CCID₅₀/ Group Vectors dose) dose) vFP89 TROVAC AIV H5 vector 7.0 6.7 A/Turkey/Ireland/1378/83 vFP2211 TROVAC AIV H5 vector 7.4 7.1 A/chicken/Indonesia/03 vCP2241 ALVAC AIV H5 vector 6.4 6.7 A/chicken/Indonesia/03

Blood samples were collected on days 0, 15, 21, and 35 for all groups, and additionally on day 84 for the vaccinated groups. A hemagglutination inhibition (HI) test was performed as described in Example 4. For this study, the homologous AIV antigen was H5N8 AIV A/Turkey/Ireland/1378/83, and the heterologous antigen was H5N1 AIV A/Vietnam/1194/04 (NIBRG14 strain). A 0.5% (vol/vol) suspension of cRBCs were allotted per well. The results are presented as log 10 of the highest dilution of cat serum that inhibited hemaggluntination.

Injection with the recombinant vaccines induced high levels of antibodies to H5 avian influenza virus. Among the vaccined groups, cats injected with the vFP89 plasmid displayed higher HI responses against both the homologous and heterologus antigens (see FIGS. 18 and 19). In addition, vCP2241 showed greater HI responses than vFP2211 against both types of antigens. Nonetheless, all three vaccines induced an immunogenic response in cats.

Example 6 Vaccination of Cats with Inactivated AIV

A study was conducted in which two groups of 20 week-old cats received vaccines comparising inactivated AIV. The viruses (H5N9 AIV A/Chicken/Italy/22A/98) were inactivated by 0.1% beta-propiolactone at 5° C. for 18 hours, and were then harvested and filtated through a 10 μm cutoff filter. The vaccine was adjuvanted with oil-in-water emulsion.

All cats experienced subcutaneous injections in the interscapula area of a 1 ml dose on days 0 and 21. The first group (n=5) received approximately 512 HA units (UHA) of inactivated vaccine, while the second group (n=5) received approximately 1536 UHA of inactivated vaccine.

Blood samples were collected on days 0, 14, 21, and 35 for all animals. A hemagglutination inhibition (HI) test was performed as described in Example 4. For this study, the homologous AIV antigen was H5N9 AIV A/Turkey/Wisconsin/68, and the heterologous antigen was H5N1 AIV A/Vietnam/1194/04 (NIBRG14 strain). A 0.5% (vol/vol) suspension of cRBCs were allotted per well. The results are presented as log 10 of the highest dilution of cat serum that inhibited hemaggluntination.

The results indicate that cats injected with the inactivated vaccine induced high levels of antibodies to H5 avian influenza. While cats injected with 512 UHA/dose displayed higher HI responses against both homologous (see FIG. 20) and heterologous (see FIG. 21) antigens than cats injected with 1536 UHA/dose, both dosages induced an immunogenic response.

The invention is further described by the following numbered paragraphs:

1. A method of eliciting an immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an avipox expression vector comprising a polynucleotide encoding an influenza antigen, epitope or immunogen in an effective amount for eliciting an immune response.

2. A method of inducing a protective immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an avipox expression vector, wherein said avipox expression vector comprises a polynucleotide encoding an influenza antigen, epitope or immunogen in an effective amount for inducing a protective immune response.

3. The method of paragraph 1 or 2, wherein the formulation further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle or adjuvant.

4. The method of any one of paragraphs 1 to 3, wherein the influenza antigen, epitope or immunogen is a hemagglutinin, matrix protein, membrane protein, neuraminidase, nonstructural protein, nucleoprotein, polymerase or any fragment thereof.

5. The method of any one of paragraphs 1 to 4, wherein the influenza antigen, epitope or immunogen is isolated from a feline infected with influenza.

6. The method of paragraph 5 wherein the influenza antigen, epitope or immunogen is isolated from the broncho alveolar lavage and/or lung tissues of the feline.

7. The method of any one of paragraphs 1 to 4, wherein the influenza antigen, epitope or immunogen is isolated from an avian influenza.

8. The method of any one of paragraphs 1 to 7, wherein the avipox expression vector is an attenuated avipox expression vector.

9. The method of paragraph 8, wherein the avipox expression vector is a fowlpox vector.

10. The method of paragraph 9, wherein the fowlpox vector is a TROVAC vector.

11. The method of paragraph 8, wherein the avipox expression vector is a canarypox vector.

12. The method of paragraph 11, wherein the canarypox vector is ALVAC.

13. The method of paragraph 9, 10, 11, or 12, wherein the influenza antigen, epitope or immunogen is a hemagglutinin.

14. The method of paragraph 13, wherein the hemagglutinin is H5.

15. The method of paragraph 13 or 14, wherein the fowlpox vector is FP89 or FP2211.

16. The method of paragraph 13 or 14, wherein the canarypox vector is CP2241.

17. A method of eliciting an immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an inactivated influenza vaccine in an effective amount for eliciting an immune response.

18. A method of inducing a protective immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an inactivated influenza vaccine in an effective amount for inducing an immune response.

19. The method of paragraph 17 or 18, wherein the formulation further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle or adjuvant.

20. The method of any one of paragraph 17 to 19, wherein the inactivated influenza vaccine is an inactivated feline influenza.

21. The method of any one of paragraphs 17 to 19, wherein the inactivated influenza vaccine is an inactivated avian influenza.

22. The method of any one of claims 1-21, further comprising additionally administering, either prior or subsequent to said formulation, a second formulation comprising either an avipox expression vector, wherein said vector comprises a polynucleotide encoding an influenza antigen, or an inactivated influenza immunological composition.

23. An immunological composition comprising a formulation, wherein said formulation comprises an avipox expression vector comprising a polynucleotide encoding an influenza antigen, epitope or immunogen, and a pharmaceutically or veterinarily acceptable carrier, excipient or vehicle in an effective amount for inducing an immune response.

24. The immunological composition of paragraph 23, wherein the formulation further comprises an adjuvant.

25. The immunological composition of paragraph 23 or 24, wherein the influenza antigen, epitope or immunogen is a hemagglutinin, matrix protein, membrane protein, neuraminidase, nonstructural protein, nucleoprotein, polymerase or any fragment thereof.

26. The immunological composition of any one of paragraphs 23 to 25, wherein the influenza antigen, epitope or immunogen is isolated from a feline infected with influenza.

27. The immunological composition of paragraph 26 wherein the influenza antigen, epitope or immunogen is isolated from the broncho alveolar lavage and/or lung tissues of the feline.

28. The immunological composition of any one of paragraphs 23 to 25, wherein the influenza antigen, epitope or immunogen is isolated from an avian influenza.

29. The immunological composition of any one of paragraphs 23 to 28, wherein the avipox expression vector is an attenuated avipox expression vector.

30. The immunological composition of paragraph 29, wherein the avipox expression vector is a fowlpox vector.

31. The immunological composition of paragraph 30, wherein the fowlpox vector is a TROVAC vector.

32. The immunological composition of paragraph 29, wherein the avipox expression vector is a canarypox vector.

33. The immunological composition of paragraph 32, wherein the canarypox vector is ALVAC.

34. The immunological composition of any one of paragraphs 30-33, wherein the influenza antigen, epitope or immunogen is a hemagglutinin.

35. The immunological composition of paragraph 34, wherein the hemagglutinin is H5.

36. The immunological composition of paragraph 34 or 35, wherein the fowlpox vector is vFP89 or vFP2211.

37. The immunological composition of paragraph 34 or 35, wherein the canarypox vector is vCP2241.

37. A kit for performing any one of the methods of paragraphs 1 to 21 comprising the immunological composition of any one of paragraphs 22 to 36 and instructions for performing the method of any one of paragraphs 1 to 36.

Having thus described in detail preferred embodiments of the present invention, it is to be understood that the invention defined by the above paragraphs is not to be limited to particular details set forth in the above description as many apparent variations thereof are possible without departing from the spirit or scope of the present invention.

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SEQ ID NO 1 LENGTH: 3659 TYPE: DNA ORGANISM: Fowlpox virus SEQUENCE: 1 gatatctgtg gtctatatat actacaccct accgatatta accaacgagt ttctcacaag 60 aaaacttgtt tagtagatag agattctttg attgtgttta aaagaagtac cagtaaaaag 120 tgtggcatat gcatagaaga aataaacaaa aaacatattt ccgaacagta ttttggaatt 180 ctcccaagtt gtaaacatat tttttgccta tcatgtataa gacgttgggc agatactacc 240 agaaatacag atactgaaaa tacgtgtcct gaatgtagaa tagtttttcc tttcataata 300 cccagtaggt attggataga taataaatat gataaaaaaa tattatataa tagatataag 360 aaaatgattt ttacaaaaat acctataaga acaataaaaa tataattaca tttacggaaa 420 atagctggtt ttagtttacc aacttagagt aattatcata ttgaatctat attgtttttt 480 agttatataa aaacatgatt agcccccaat cggatgaaaa tataaaagat gttgagaatt 540 tcgaatacaa caaaaagagg aatcgtacgt tgtccatatc caaacatata aataaaaatt 600 caaaagtagt attatactgg atgtttagag atcaacgtgt acaagataat tgggctttaa 660 tttacgcaca acgattagcg ttaaaactca aaatacctct aagaatatgc ttttgtgtcg 720 tgccaaaatt tcacactact acttctagac actttatgtt tttaatatcc ggtcttaaag 780 aagtcgcgga agaatgtaaa agactatgta tagggttttc attgatatat ggcgtaccaa 840 aagtaataat tccgtgtata gtaaaaaaat acagagtcgg agtaatcata acggatttct 900 ttccattacg tgttcccgaa agattaatga aacagactgt aatatctctt ccagataaca 960 taccttttat acaagtagac gctcataata tagtaccttg ttgggaagct tctgataaag 1020 aagaatacgg tgcacgaact ttaagaaaaa agatatttga taaattatat gaatatatga 1080 cagaatttcc tgttgttcgt aaacatccat acggtccatt ttctatatct attgcaaaac 1140 ccaaaaatat atcattagac aagacggtat tacccgtaaa atgggcaacg cctggaacaa 1200 aagctggaat aattgtttta aaagaattta taaaaaacag attaccgtca tacgacgcgg 1260 atcataacaa tcctacgtgt gacgctttga gtaacttatc tccgtggcta cattttggtc 1320 atgtatccgc acaacgtgtt gccttagaag tattaaaatg tatacgagaa agcaaaaaaa 1380 acgttgaaac gtttatagat gaaataattg taagaagaga actatcggat aatttttgtt 1440 actataacaa acattatgat agtatccagt ctactcattc atgggttaga aaaacattag 1500 aagatcacat taatgatcct agaaagtata tatattccat taaacaactc gaaaaagcgg 1560 aaactcatga tcctctatgg aacgcgtcac aaatgcagat ggtgagagaa ggaaaaatgc 1620 atagtttttt acgaatgtat tgggctaaga agatacttga atggactaga acacctgaag 1680 acgctttgag ttatagtatc tatttgaaca acaagtacga actagacggc acggatccta 1740 acggatacgt aggttgtatg tggtctattt gcggattaca cgatagagcg tggaaagcaa 1800 gaccgatatt tggaaagata agatatatga attatgagag ttctaagaag aaatttgatg 1860 ttgctgtatt tatacagaaa tacaattaag ataaataata tacagcattg taaccatcgt 1920 catccgttat acggggaata atattaccat acagtattat taaattttct tacgaagaat 1980 atagatcggt atttatcgtt agtttatttt acatttatta attaaacatg tctactatta 2040 cctgttatgg aaatgacaaa tttagttata taatttatga taaaattaag ataataataa 2100 tgaaatcaaa taattatgta aatgctacta gattatgtga attacgagga agaaagttta 2160 cgaactggaa aaaattaagt gaatctaaaa tattagtcga taatgtaaaa aaaataaatg 2220 ataaaactaa ccagttaaaa acggatatga ttatatacgt taaggatatt gatcataaag 2280 gaagagatac ttgcggttac tatgtacacc aagatctggt atcttctata tcaaattgga 2340 tatctccgtt attcgccgtt aaggtaaata aaattattaa ctattatata tgtaatgaat 2400 atgatatacg acttagcgaa atggaatctg atatgacaga agtaatagat gtagttgata 2460 aattagtagg aggatacaat gatgaaatag cagaaataat atatttgttt aataaattta 2520 tagaaaaata tattgctaac atatcgttat caactgaatt atctagtata ttaaataatt 2580 ttataaattt tataaatttt aataaaaaat acaataacga cataaagata tttaatcttt 2640 aattcttgat ctgaaaaaca catctataaa actagataaa aagttattcg ataaagataa 2700 taatgaatcg aacgatgaaa aattggaaac agaagttgat aagctaattt ttttcatcta 2760 aatagtatta ttttattgaa gtacgaagtt ttacgttaga taaataataa aggtcgattt 2820 ttactttgtt aaatatcaaa tatgtcatta tctgataaag atacaaaaac acacggtgat 2880 tatcaaccat ctaacgaaca gatattacaa aaaatacgtc ggactatgga aaacgaagct 2940 gatagcctca atagaagaag cattaaagaa attgttgtag atgttatgaa gaattgggat 3000 catcctcaac gaagaaatag ataaagttct aaactggaaa aatgatacat taaacgattt 3060 agatcatcta aatacagatg ataatattaa ggaaatcata caatgtctga ttagagaatt 3120 tgcgtttaaa aagatcaatt ctattatgta tagttatgct atggtaaaac tcaattcaga 3180 taacgaacat tgaaagataa aattaaggat tattttatag aaactattct taaagacaaa 3240 cgtggttata aacaaaagcc attacccgga ttggaaacta aaatactaga tagtattata 3300 agattttaaa aacataaaat taataggttt ttatagattg acttattata tacaatatgg 3360 ataaaagata tatatcaact agaaagttga atgacggatt cttaatttta tattatgatt 3420 caatagaaat tattgtcatg tcgtgtaatc attttataaa tatatcagcg ttactagcta 3480 agaaaaacaa ggactttaat gaatggctaa agatagaatc atttagagaa ataatagata 3540 ctttagataa aattaattac gatctaggac aacgatattg tgaagaactt acggcgcatc 3600 acattccagt gtaattattg aggtcaaagc tagtaactta atagatgaca ggacagctg SEQ ID NO 2 LENGTH: 68 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Double-stranded oligonucleotide referred to as JCA017 SEQUENCE: 1 ctagacactt tatgtttttt aatatccggt cttaaaagct tcccggggat ccttatacgg 60 ggaataat SEQ ID NO 3 LENGTH: 65 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Double-stranded oligonucleotide referred to as JCA018 SEQUENCE: 38 1 attattcccc gtataaggat cccccgggaa gcttttaaga ccggatatta aaaaacataa 60 agtgt SEQ ID NO 4 LENGTH: 60 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Oligonucleotide referred to as RW178 SEQUENCE: 1 tcattatcgc gatatccgtg ttaactagct agctaatttt tattcccggg atccttatca SEQ ID NO 5 LENGTH: 60 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Oligonucleotide referred to as RW179 1 gtataaggat cccgggaata aaaattagct agctagttaa cacggatatc gcgataatga SEQ ID NO 6 LENGTH: 66 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Synthetic oligonucleotide referred to as RW10 SEQUENCE: 58 1 gaaaaattta aagtcgacct gttttgttga gttgtttgcg tggtaaccaa tgcaaatctg 60 gtcact SEQ ID NO 7 LENGTH: 66 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Synthetic oligonucleotide referred to as RW11 SEQUENCE: 1 tctagcaaga ctgactattg caaaaagaag cactatttcc tccattacga tacaaactta 60 acggat SEQ ID NO 8 LENGTH: 87 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Synthetic oligonucleotide referred to as RW12 SEQUENCE: 1 atccgttaag tttgtatcgt aatggaggaa atagtgcttc tttttgcaat agtcagtctt 60 gctagaagtg accagatttg cattggt SEQ ID NO 9 LENGTH: 49 TYPE: DNA ORGANISM: Artificial Sequence OTHER INFORMATION: Synthetic oligonucleotide referred to as RW13 SEQUENCE: 1 taccacgcaa acaactcaac aaaacaggtc gactttaaat ttttctgca SEQ ID NO 10 LENGTH: 21 ORGANISM: Artificial Sequence OTHER INFORMATION: Primer for amplifying AIV probe referred to as 11526JY SEQUENCE: 1 ACGAAGCCAGCAGCGGAGTGA SEQ ID NO 11 LENGTH: 21 ORGANISM: Artificial Sequence OTHER INFORMATION: Primer for amplifying AIV probe referred to as 11531JY SEQUENCE: 1 TCAGCACCAGCAGTTCGGCGT SEQ ID NO 12 LENGTH: 24 ORGANISM: Artificial Sequence OTHER INFORMATION: Primer for PCR amplification of the F8 arms plus insert, referred to as 11339CXL SEQUENCE: 1 GTAGTGATCAAAATACAGAACCAT SEQ ID NO 13 LENGTH: 24 ORGANISM: Artificial Sequence OTHER INFORMATION: Primer for PCR amplification of the F8 arms plus insert, referred to as 11340CXL SEQUENCE: 1 GAATCCGTCATTCAACTTTCTAGT SEQ ID NO 14 LENGTH: 4737 OTHER INFORMATION: F8 right arm (1–1429), H6 promoter (1516–1639), AIV synethetic H5 HA (1640–3334), and F8 left arm (3362–4737) determined through sequence analysis SEQUENCE: 1 GACCCTTTAC AAGAATAAAA GAAGAAACAA CTGTGAAATA GTTTATAAAT CTGGGAAATG TTCTTATTTT CTTCTTTGTT GACACTTTAT CAAATATTTA 51 GTAATTCGTA TGCAGAAAAC GATAATATAT TTTGGTATGA GAAATCTAAA CATTAAGCAT ACGTCTTTTG CTATTATATA AAACCATACT CTTTAGATTT 101 GGAGACATAG TTTGTATAGA CATGCGCTCT TCCGATGAGA TATTCGATGC CCTCTGTATC AAACATATCT GTACGCGAGA AGGCTACTCT ATAAGCTACG 151 TTTTCTAATG TATCATATAG CTACAAGATA TGCCTATCAT GATGATGATA AAAAGATTAC ATAGTATATC GATGTTCTAT ACGGATAGTA CTACTACTAT 201 TATATCTACA AATAGTGTTA TATTATTCTA ATAATCAAAA TGTTATATCT ATATAGATGT TTATCACAAT ATAATAAGAT TATTAGTTTT ACAATATAGA 251 TATATTACGA AAAATAAATA CGTTAAGTAT ATAAGAAATA AAACTAGAGA ATATAATGCT TTTTATTTAT GCAATTCATA TATTCTTTAT TTTGATCTCT 301 CGATATTCAT AAAGTAAAAA TATTAGCTCT AGAAGACTTT ACAACGGAAG GCTATAAGTA TTTCATTTTT ATAATCGAGA TCTTCTGAAA TGTTGCCTTC 351 AAATATATTG TTGGATTAGT AATATATAAC AGCGTAGCTG CACGGTTTTG TTTATATAAC AACCTAATCA TTATATATTG TCGCATCGAC GTGCCAAAAC 401 ATCATTTTCC AACAATATAA ACCAATGAAG GAGGACGACT CATCAAACAT TAGTAAAAGG TTGTTATATT TGGTTACTTC CTCCTGCTGA GTAGTTTGTA 451 AAATAACATT CACGGAAAAT ATTCAGTATC AGATTTATCA CAAGATGATT TTTATTGTAA GTGCCTTTTA TAAGTCATAG TCTAAATAGT GTTCTACTAA 501 ATGTTATTGA ATGTATAGAC GGATCTTTTG ATTCGATCAA GTATAGAGAT TACAATAACT TACATATCTG CCTAGAAAAC TAAGCTAGTT CATATCTCTA 551 ATAAAGGTTA TAATAATGAA GAATAACGGT TACGTTAATT GTAGTAAATT TATTTCCAAT ATTATTACTT CTTATTGCCA ATGCAATTAA CATCATTTAA 601 ATGTAAAATG CGGAATAAAT ACTTTTCTAG ATGGTTGCGT CTTTCTACTT TACATTTTAC GCCTTATTTA TGAAAAGATC TACCAACGCA GAAAGATGAA 651 CTAAAGCATT ATTAGACATT TACAATAATA AGTCAGTAGA TAATGCTATT GATTTCGTAA TAATCTGTAA ATGTTATTAT TCAGTCATCT ATTACGATAA 701 GTTAAAGTCT ATGGTAAAGG TAAGAAACTT ATTATAACAG GATTTTATCT CAATTTCAGA TACCATTTCC ATTCTTTGAA TAATATTGTC CTAAAATAGA 751 CAAACAAAAT ATGATACGTT ATGTTATTGA GTGGATAGGG GATGATTTTA GTTTGTTTTA TACTATGCAA TACAATAACT CACCTATCCC CTACTAAAAT 801 CAAACGATAT ATACAAAATG ATTAATTTCT ATAATGCGTT ATTCGGTAAC GTTTGCTATA TATGTTTTAC TAATTAAAGA TATTACGCAA TAAGCCATTG 851 GATGAATTAA AAATAGTATC CTGTGAAAAC ACTCTATGCC CGTTTATAGA CTACTTAATT TTTATCATAG GACACTTTTG TGAGATACGG GCAAATATCT 901 ACTTGGTAGA TGCTATTATG GTAAAAAATG TAAGTATATA CACGGAGATC TGAACCATCT ACGATAATAC CATTTTTTAC ATTCATATAT GTGCCTCTAG 951 AATGTGATAT CTGTGGTCTA TATATACTAC ACCCTACCGA TATTAACCAA TTACACTATA GACACCAGAT ATATATGATG TGGGATGGCT ATAATTGGTT 1001 CGAGTTTCTC ACAAGAAAAC TTGTTTAGTA GATAGAGATT CTTTGATTGT GCTCAAAGAG TGTTCTTTTG AACAAATCAT CTATCTCTAA GAAACTAACA 1051 GTTTAAAAGA AGTACCAGTA AAAAGTGTGG CATATGCATA GAAGAAATAA CAAATTTTCT TCATGGTCAT TTTTCACACC GTATACGTAT CTTCTTTATT 1101 ACAAAAAACA TATTTCCGAA CAGTATTTTG GAATTCTCCC AAGTTGTAAA TGTTTTTTGT ATAAAGGCTT GTCATAAAAC CTTAAGAGGG TTCAACATTT 1151 CATATTTTTT GCCTATCATG TATAAGACGT TGGGCAGATA CTACCAGAAA GTATAAAAAA CGGATAGTAC ATATTCTGCA ACCCGTCTAT GATGGTCTTT 1201 TACAGATACT GAAAATACGT GTCCTGAATG TAGAATAGTT TTTCCTTTCA ATGTCTATGA CTTTTATGCA CAGGACTTAC ATCTTATCAA AAAGGAAAGT 1251 TAATACCCAG TAGGTATTGG ATAGATAATA AATATGATAA AAAAATATTA ATTATGGGTC ATCCATAACC TATCTATTAT TTATACTATT TTTTTATAAT 1301 TATAATAGAT ATAAGAAAAT GATTTTTACA AAAATACCTA TAAGAACAAT ATATTATCTA TATTCTTTTA CTAAAAATGT TTTTATGGAT ATTCTTGTTA 1351 AAAAATATAA TTACATTTAC GGAAAATAGC TGGTTTTAGT TTACCAACTT TTTTTATATT AATGTAAATG CCTTTTATCG ACCAAAATCA AATGGTTGAA 1401 AGAGTAATTA TCATATTGAA TCTATATTGC TAATTAGCTA ATAAAAACCC TCTCATTAAT AGTATAACTT AGATATAACG ATTAATCGAT TATTTTTGGG 1451 GGGTTAATTA ATTAGTCATC AGGCAGGGCG AGAACGAGAC TATCTGCTCG CCCAATTAAT TAATCAGTAG TCCGTCCCGC TCTTGCTCTG ATAGACGAGC 1501 TTAATTAATT AGAGCTTCTT TATTCTATAC TTAAAAAGTG AAAATAAATA AATTAATTAA TCTCGAAGAA ATAAGATATG AATTTTTCAC TTTTATTTAT 1551 CAAAGGTTCT TGAGGGTTGT GTTAAATTGA AAGCGAGAAA TAATCATAAA GTTTCCAAGA ACTCCCAACA CAATTTAACT TTCGCTCTTT ATTAGTATTT 1601 TTATTTCATT ATCGCGATAT CCGTTAAGTT TGTATCGTAA TGGAGAAAAT AATAAAGTAA TAGCGCTATA GGCAATTCAA ACATAGCATT ACCTCTTTTA 1651 CGTGCTGCTG CTGGCCATCG TGAGCCTGGT GAAAAGCGAT CAGATCTGCA GCACGACGAC GACCGGTAGC ACTCGGACCA CTTTTCGCTA GTCTAGACGT 1701 TCGGCTACCA CGCCAACAAC AGCACAGAGC AAGTGGACAC AATCATGGAA AGCCGATGGT GCGGTTGTTG TCGTGTCTCG TTCACCTGTG TTAGTACCTT 1751 AAGAACGTGA CCGTGACACA CGCCCAGGAC ATCCTGGAAA AGACACACAA TTCTTGCACT GGCACTGTGT GCGGGTCCTG TAGGACCTTT TCTGTGTGTT 1801 CGGGAAGCTG TGCGATCTGG ATGGAGTGAA GCCTCTGATC CTGAGAGATT GCCCTTCGAC ACGCTAGACC TACCTCACTT CGGAGACTAG GACTCTCTAA 1851 GCAGCGTGGC CGGATGGCTG CTGGGGAACC CAATGTGCGA CGAATTCATC CGTCGCACCG GCCTACCGAC GACCCCTTGG GTTACACGCT GCTTAAGTAG 1901 AACGTGCCCG AATGGAGCTA CATCGTGGAG AAGGCCAACC CAGCCAACGA TTGCACGGGC TTACCTCGAT GTAGCACCTC TTCCGGTTGG GTCGGTTGCT 1951 CCTGTGCTAC CCAGGGAACC TGAACGACTA CGAAGAACTG AAACACCTGC GGACACGATG GGTCCCTTGG ACTTGCTGAT GCTTCTTGAC TTTGTGGACG 2001 TGAGCAGAAT CAACCACTTT GAGAAAATCC AGATCATCCC CAAAAGCAGC ACTCGTCTTA GTTGGTGAAA CTCTTTTAGG TCTAGTAGGG GTTTTCGTCG 2051 TGGTCCGATC ACGAAGCCAG CAGCGGAGTG AGCAGCGCCT GCCCATACCA ACCAGGCTAG TGCTTCGGTC GTCGCCTCAC TCGTCGCGGA CGGGTATGGT 2101 GGGAAAGTCC AGCTTTTTTA GAAACGTGGT GTGGCTGATC AAAAAGAACA CCCTTTCAGG TCGAAAAAAT CTTTGCACCA CACCGACTAG TTTTTCTTGT 2151 GCGCCTACCC AACAATCAAG AGAAGCTACA ACAACACCAA CCAGGAAGAT CGCGGATGGG TTGTTAGTTC TCTTCGATGT TGTTGTGGTT GGTCCTTCTA 2201 CTGCTGGTGC TGTGGGGGAT CCACCACCCT AACGATGCCG CCGAGCAGAC GACGACCACG ACACCCCCTA GGTGGTGGGA TTGCTACGGC GGCTCGTCTG 2251 AAGGCTGTAC CAGAACCCAA CCACCTACAT CTCCGTGGGG ACAAGCACAC TTCCGACATG GTCTTGGGTT GGTGGATGTA GAGGCACCCC TGTTCGTGTG 2301 TGAACCAGAG ACTGGTGCCA AAAATCGCCA TCAGATCCAA AGTGAACGGG ACTTGGTCTC TGACCACGGT TTTTAGCGGT AGTCTAGGTT TCACTTGCCC 2351 CAGAGCGGAA GAATGGAGTT CTTCTGGACA ATCCTGAAAC CCAACGATGC GTCTCGCCTT CTTACCTCAA GAAGACCTGT TAGGACTTTG GGTTGCTACG 2401 CATCAACTTC GAGAGCAACG GAAACTTCAT CGCCCCAGAA TACGCCTACA GTAGTTGAAG CTCTCGTTGC CTTTGAAGTA GCGGGGTCTT ATGCGGATGT 2451 AAATCGTGAA GAAAGGGGAC AGCGCCATCA TGAAAAGCGA ACTGGAATAC TTTAGCACTT CTTTCCCCTG TCGCGGTAGT ACTTTTCGCT TGACCTTATG 2501 GGCAACTGCA ACACCAAGTG CCAGACCCCA ATGGGGGCCA TCAACAGCAG CCGTTGACGT TGTGGTTCAC GGTCTGGGGT TACCCCCGGT AGTTGTCGTC 2551 CATGCCATTC CACAACATCC ACCCTCTGAC CATCGGGGAA TGCCCCAAAT GTACGGTAAG GTGTTGTAGG TGGGAGACTG GTAGCCCCTT ACGGGGTTTA 2601 ACGTGAAAAG CAACAGACTG GTGCTGGCCA CCGGGCTGAG AAACAGCCCT TGCACTTTTC GTTGTCTGAC CACGACCGGT GGCCCGACTC TTTGTCGGGA 2651 CAGAGAGAGA CCAGAGGACT GTTTGGAGCC ATCGCCGGCT TTATCGAGGG GTCTCTCTCT GGTCTCCTGA CAAACCTCGG TAGCGGCCGA AATAGCTCCC 2701 AGGATGGCAG GGAATGGTGG ATGGCTGGTA CGGATACCAC CACAGCAACG TCCTACCGTC CCTTACCACC TACCGACCAT GCCTATGGTG GTGTCGTTGC 2751 AGCAGGGGAG CGGATACGCC GCCGACAAAG AATCCACCCA GAAGGCCATC TCGTCCCCTC GCCTATGCGG CGGCTGTTTC TTAGGTGGGT CTTCCGGTAG 2801 GACGGCGTGA CCAACAAAGT GAACAGCATC ATCGACAAAA TGAACACCCA CTGCCGCACT GGTTGTTTCA CTTGTCGTAG TAGCTGTTTT ACTTGTGGGT 2851 GTTTGAGGCC GTGGGAAGGG AGTTTAACAA CCTGGAAAGG AGAATCGAGA CAAACTCCGG CACCCTTCCC TCAAATTGTT GGACCTTTCC TCTTAGCTCT 2901 ACCTGAACAA GAAGATGGAG GACGGATTCC TGGATGTGTG GACCTACAAC TGGACTTGTT CTTCTACCTC CTGCCTAAGG ACCTACACAC CTGGATGTTG 2951 GCCGAACTGC TGGTGCTGAT GGAAAACGAG AGAACCCTGG ACTTTCACGA CGGCTTGACG ACCACGACTA CCTTTTGCTC TCTTGGGACC TGAAAGTGCT 3001 CAGCAACGTG AAGAACCTGT ACGACAAAGT GAGGCTGCAG CTGAGGGATA GTCGTTGCAC TTCTTGGACA TGCTGTTTCA CTCCGACGTC GACTCCCTAT 3051 ACGCCAAGGA GCTGGGCAAC GGCTGCTTCG AGTTCTACCA CAAATGCGAT TGCGGTTCCT CGACCCGTTG CCGACGAAGC TCAAGATGGT GTTTACGCTA 3101 AACGAATGCA TGGAAAGCAT CAGAAACGGA ACCTACAACT ACCCCCAGTA TTGCTTACGT ACCTTTCGTA GTCTTTGCCT TGGATGTTGA TGGGGGTCAT 3151 CAGCGAAGAA GCCAGACTGA AAAGAGAAGA AATCTCCGGA GTGAAACTGG GTCGCTTCTT CGGTCTGACT TTTCTCTTCT TTAGAGGCCT CACTTTGACC 3201 AATCCATCGG AACCTACCAG ATCCTGAGCA TCTACAGCAC AGTGGCCTCC TTAGGTAGCC TTGGATGGTC TAGGACTCGT AGATGTCGTG TCACCGGAGG 3251 TCCCTGGCCC TGGCCATCAT GATGGCCGGA CTGAGCCTGT GGATGTGCTC AGGGACCGGG ACCGGTAGTA CTACCGGCCT GACTCGGACA CCTACACGAG 3301 CAACGGAAGC CTGCAGTGCA GAATCTGCAT CTGACTCGAG TTTTTATTGA GTTGCCTTCG GACGTCACGT CTTAGACGTA GACTGAGCTC AAAAATAACT 3351 CTAGTTAATC ATAAGATAAA TAATATACAG CATTGTAACC ATCGTCATCC GATCAATTAG TATTCTATTT ATTATATGTC GTAACATTGG TAGCAGTAGG 3401 GTTATACGGG GAATAATATT ACCATACAGT ATTATTAAAT TTTCTTACGA CAATATGCCC CTTATTATAA TGGTATGTCA TAATAATTTA AAAGAATGCT 3451 AGAATATAGA TCGGTATTTA TCGTTAGTTT ATTTTACATT TATTAATTAA TCTTATATCT AGCCATAAAT AGCAATCAAA TAAAATGTAA ATAATTAATT 3501 ACATGTCTAC TATTACCTGT TATGGAAATG ACAAATTTAG TTATATAATT TGTACAGATG ATAATGGACA ATACCTTTAC TGTTTAAATC AATATATTAA 3551 TATGATAAAA TTAAGATAAT AATAATGAAA TCAAATAATT ATGTAAATGC ATACTATTTT AATTCTATTA TTATTACTTT AGTTTATTAA TACATTTACG 3601 TACTAGATTA TGTGAATTAC GAGGAAGAAA GTTTACGAAC TGGAAAAAAT ATGATCTAAT ACACTTAATG CTCCTTCTTT CAAATGCTTG ACCTTTTTTA 3651 TAAGTGAATC TAAAATATTA GTCGATAATG TAAAAAAAAT AAATGATAAA ATTCACTTAG ATTTTATAAT CAGCTATTAC ATTTTTTTTA TTTACTATTT 3701 ACTAACCAGT TAAAAACGGA TATGATTATA TACGTTAAGG ATATTGATCA TGATTGGTCA ATTTTTGCCT ATACTAATAT ATGCAATTCC TATAACTAGT 3751 TAAAGGAAGA GATACTTGCG GTTACTATGT ACACCAAGAT CTGGTATCTT ATTTCCTTCT CTATGAACGC CAATGATACA TGTGGTTCTA GACCATAGAA 3801 CTATATCAAA TTGGATATCT CCGTTATTCG CCGTTAAGGT AAATAAAATT GATATAGTTT AACCTATAGA GGCAATAAGC GGCAATTCCA TTTATTTTAA 3851 ATTAACTATT ATATATGTAA TGAATATGAT ATACGACTTA GCGAAATGGA TAATTGATAA TATATACATT ACTTATACTA TATGCTGAAT CGCTTTACCT 3901 ATCTGATATG ACAGAAGTAA TAGATGTAGT TGATAAATTA GTAGGAGGAT TAGACTATAC TGTCTTCATT ATCTACATCA ACTATTTAAT CATCCTCCTA 3951 ACAATGATGA AATAGCAGAA ATAATATATT TGTTTAATAA ATTTATAGAA TGTTACTACT TTATCGTCTT TATTATATAA ACAAATTATT TAAATATCTT 4001 AAATATATTG CTAACATATC GTTATCAACT GAATTATCTA GTATATTAAA TTTATATAAC GATTGTATAG CAATAGTTGA CTTAATAGAT CATATAATTT 4051 TAATTTTATA AATTTTAATA AAAAATACAA TAACGACATA AAAGATATTA ATTAAAATAT TTAAAATTAT TTTTTATGTT ATTGCTGTAT TTTCTATAAT 4101 AATCTTTAAT TCTTGATCTG AAAAACACAT CTATAAAACT AGATAAAAAG TTAGAAATTA AGAACTAGAC TTTTTGTGTA GATATTTTGA TCTATTTTTC 4151 TTATTCGATA AAGATAATAA TGAATCGAAC GATGAAAAAT TGGAAACAGA AATAAGCTAT TTCTATTATT ACTTAGCTTG CTACTTTTTA ACCTTTGTCT 4201 AGTTGATAAG CTAATTTTTT TCATCTAAAT AGTATTATTT TATTGAAGTA TCAACTATTC GATTAAAAAA AGTAGATTTA TCATAATAAA ATAACTTCAT 4251 CGAAGTTTTA CGTTAGATAA ATAATAAAGG TCGATTTTTA TTTTGTTAAA GCTTCAAAAT GCAATCTATT TATTATTTCC AGCTAAAAAT AAAACAATTT 4301 TATCAAATAT GTCATTATCT GATAAAGATA CAAAAACACA CGGTGATTAT ATAGTTTATA CAGTAATAGA CTATTTCTAT GTTTTTGTGT GCCACTAATA 4351 CAACCATCTA ACGAACAGAT ATTACAAAAA ATACGTCGGA CTATGGAAAA GTTGGTAGAT TGCTTGTCTA TAATGTTTTT TATGCAGCCT GATACCTTTT 4401 CGAAGCTGAT AGCCTCAATA GAAGAAGCAT TAAAGAAATT GTTGTAGATG GCTTCGACTA TCGGAGTTAT CTTCTTCGTA ATTTCTTTAA CAACATCTAC 4451 TTATGAAGAA TTGGGATCAT CCTCTCAACG AAGAAATAGA TAAAGTTCTA AATACTTCTT AACCCTAGTA GGAGAGTTGC TTCTTTATCT ATTTCAAGAT 4501 AACTGGAAAA ATGATACATT AAACGATTTA GATCATCTAA ATACAGATGA TTGACCTTTT TACTATGTAA TTTGCTAAAT CTAGTAGATT TATGTCTACT 4551 TAATATTAAG GAAATCATAC AATGTCTGAT TAGAGAATTT GCGTTTAAAA ATTATAATTC CTTTAGTATG TTACAGACTA ATCTCTTAAA CGCAAATTTT 4601 AGATCAATTC TATTATGTAT AGTTATGCTA TGGTAAAACT CAATTCAGAT TCTAGTTAAG ATAATACATA TCAATACGAT ACCATTTTGA GTTAAGTCTA 4651 AACGAAACAT TGAAAGATAA AATTAAGGAT TATTTTATAG AAACTATTCT TTGCTTTGTA ACTTTCTATT TTAATTCCTA ATAAAATATC TTTGATAAGA 4701 TAAAGACAAA CGTGGTTATA AACAAAAGCC ATTACCC ATTTCTGTTT GCACCAATAT TTGTTTTCGG TAATGGG SEQ ID NO 15 LENGTH: 1692 OTHER INFORMATION: nucleotide sequence of wild type H5 HA without cleavage sequence from plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox SEQUENCE: (1) ATGGAGAAAATCGTGCTGCTGCTGGCCATCGTGAGCCTGGTGAAAAGCGATCAGATCTGCATCGGCTACC (71) ACGCCAACAACAGCACAGAGCAAGTGGACACAATCATGGAAAAGAACGTGACCGTGACACACGCCCAGGA (141) CATCCTGGAAAAGACACACAACGGGAAGCTGTGCGATCTGGATGGAGTGAAGCCTCTGATCCTGAGAGAT (211) TGCAGCGTGGCCGGATGGCTGCTGGGGAACCCAATGTGCGACGAATTCATCAACGTGCCCGAATGGAGCT (281) ACATCGTGGAGAAGGCCAACCCAGCCAACGACCTGTGCTACCCAGGGAACCTGAACGACTACGAAGAACT (351) GAAACACCTGCTGAGCAGAATCAACCACTTTGAGAAAATCCAGATCATCCCCAAAAGCAGCTGGTCCGAT (421) CACGAAGCCAGCAGCGGAGTGAGCAGCGCCTGCCCATACCAGGGAAAGTCCAGCTTTTTTAGAAACGTGG (491) TGTGGCTGATCAAAAAGAACAGCGCCTACCCAACAATCAAGAGAAGCTACAACAACACCAACCAGGAAGA (561) TCTGCTGGTGCTGTGGGGGATCCACCACCCTAACGATGCCGCCGAGCAGACAAGGCTGTACCAGAACCCA (631) ACCACCTACATCTCCGTGGGGACAAGCACACTGAACCAGAGACTGGTGCCAAAAATCGCCATCAGATCCA (701) AAGTGAACGGGCAGAGCGGAAGAATGGAGTTCTTCTGGACAATCCTGAAACCCAACGATGCCATCAACTT (771) CGAGAGCAACGGAAACTTCATCGCCCCAGAATACGCCTACAAAATCGTGAAGAAAGGGGACAGCGCCATC (841) ATGAAAAGCGAACTGGAATACGGCAACTGCAACACCAAGTGCCAGACCCCAATGGGGGCCATCAACAGCA (911) GCATGCCATTCCACAACATCCACCCTCTGACCATCGGGGAATGCCCCAAATACGTGAAAAGCAACAGACT (981) GGTGCTGGCCACCGGGCTGAGAAACAGCCCTCAGAGAGAGACCAGAGGACTGTTTGGAGCCATCGCCGGC (1051) TTTATCGAGGGAGGATGGCAGGGAATGGTGGATGGCTGGTACGGATACCACCACAGCAACGAGCAGGGGA (1121) GCGGATACGCCGCCGACAAAGAATCCACCCAGAAGGCCATCGACGGCGTGACCAACAAAGTGAACAGCAT (1191) CATCGACAAAATGAACACCCAGTTTGAGGCCGTGGGAAGGGAGTTTAACAACCTGGAAAGGAGAATCGAG (1261) AACCTGAACAAGAAGATGGAGGACGGATTCCTGGATGTGTGGACCTACAACGCCGAACTGCTGGTGCTGA (1331) TGGAAAACGAGAGAACCCTGGACTTTCACGACAGCAACGTGAAGAACCTGTACGACAAAGTGAGGCTGCA (1401) GCTGAGGGATAACGCCAAGGAGCTGGGCAACGGCTGCTTCGAGTTCTACCACAAATGCGATAACGAATGC (1471) ATGGAAAGCATCAGAAACGGAACCTACAACTACCCCCAGTACAGCGAAGAAGCCAGACTGAAAAGAGAAG (1541) AAATCTCCGGAGTGAAACTGGAATCCATCGGAACCTACCAGATCCTGAGCATCTACAGCACAGTGGCCTC (1611) CTCCCTGGCCCTGGCCATCATGATGGCCGGACTGAGCCTGTGGATGTGCTCCAACGGAAGCCTGCAGTGC (1681) AGAATCTGCATC SEQ ID NO 16 LENGTH: 564 OTHER INFORMATION: amino acid sequence of wild type H5 HA without cleavage sequence from plasmid pCR-Script/HA-CK/Indonesia/03-(modified)-avipox SEQUENCE: (1) MEKIVLLLAIVSLVKSDQICIGYHANNSTEQVDTIMEKNVTVTHAQDILE (51) KTHNGKLCDLDGVKPLILRDCSVAGWLLGNPMCDEFINVPEWSYIVEKAN (101) PANDLCYPGNLNDYEELKHLLSRINHFEKIQIIPKSSWSDHEASSGVSSA (151) CPYQGKSSFFRNVVWLIKKNSAYPTIKRSYNNTNQEDLLVLWGIHHPNDA (201) AEQTRLYQNPTTYISVGTSTLNQRLVPKIAIRSKVNGQSGRMEFFWTILK (251) PNDAINFESNGNFIAPEYAYKIVKKGDSAIMKSELEYGNCNTKCQTPMGA (301) INSSMPFHNIHPLTIGECPKYVKSNRLVLATGLRNSPQRE----TRGLFG (347) AIAGFIEGGWQGMVDGWYGYHHSNEQGSGYAADKESTQKAIDGVTNKVNS (397) IIDKMNTQFEAVGREFNNLERRIENLNKKMEDGFLDVWTYNAELLVLMEN (447) ERTLDFHDSNVKNLYDKVRLQLRDNAKELGNGCFEFYHKCDNECMESIRN (497) GTYNYPQYSEEARLKREEISGVKLESIGTYQILSIYSTVASSLALAIMMA (547) GLSLWMCSNGSLQCRICI- SEQ ID NO 17 LENGTH: 564 OTHER INFORMATION: Predicted amino acid sequence of H5 HA without cleavage sequence SEQUENCE: 1 MEKIVLLLAI VSLVKSDQIC IGYHANNSTE QVDTIMEKNV TVTHAQDILE 51 KTHNGKLCDL DGVKPLILRD CSVAGWLLGN PMCDEFINVP EWSYIVEKAN 101 PANDLCYPGN LNDYEELKHL LSRINHFEKI QIIPKSSWSD HEASSGVSSA 151 CPYQGKSSFF RNVVWLIKKN SAYPTIKRSY NNTNQEDLLV LWGIHHPNDA 201 AEQTRLYQNP TTYISVGTST LNQRLVPKIA IRSKVNGQSG RMEFFWTILK 251 PNDAINFESN GNFIAPEYAY KIVKKGDSAI MKSELEYGNC NTKCQTPMGA 301 INSSMPFHNI HPLTIGECPK YVKSNRLVLA TGLRNSPQRE TRGLFGAIAG 351 FIEGGWQGMV DGWYGYHHSN EQGSGYAADK ESTQKAIDGV TNKVNSIIDK 401 MNTQFEAVGR EFNNLERRIE NLNKKMEDGF LDVWTYNAEL LVLMENERTL 451 DFHDSNVKNL YDKVRLQLRD NAKELGNGCF EFYHKCDNEC MESIRNGTYN 501 YPQYSEEARL KREEISGVKL ESIGTYQILS IYSTVASSLA LAIMMAGLSL 551 WMCSNGSLQC RICI* SEQ ID NO 18 LENGTH: 3956 ORGANISM: Artificial Sequence OTHER INFORMATION: Nucleotide sequence of C5 right arm (43–1578), H6 promoter (1675–1799) AIV synthetic H5 HA (1800–3494), and C5 left arm (3529–3932) in plasmid SEQUENCE: 1 GGAAACAGCT ATGACCATGA TTACGAATTG CGGCCGCAAT TCTGAATGTT CCTTTGTCGA TACTGGTACT AATGCTTAAC GCCGGCGTTA AGACTTACAA 51 AAATGTTATA CTTTGGATGA AGCTATAAAT ATGCATTGGA AAAATAATCC TTTACAATAT GAAACCTACT TCGATATTTA TACGTAACCT TTTTATTAGG 101 ATTTAAAGAA AGGATTCAAA TACTACAAAA CCTAAGCGAT AATATGTTAA TAAATTTCTT TCCTAAGTTT ATGATGTTTT GGATTCGCTA TTATACAATT 151 CTAAGCTTAT TCTTAACGAC GCTTTAAATA TACACAAATA AACATAATTT GATTCGAATA AGAATTGCTG CGAAATTTAT ATGTGTTTAT TTGTATTAAA 201 TTGTATAACC TAACAAATAA CTAAAACATA AAAATAATAA AAGGAAATGT AACATATTGG ATTGTTTATT GATTTTGTAT TTTTATTATT TTCCTTTACA 251 AATATCGTAA TTATTTTACT CAGGAATGGG GTTAAATATT TATATCACGT TTATAGCATT AATAAAATGA GTCCTTACCC CAATTTATAA ATATAGTGCA 301 GTATATCTAT ACTGTTATCG TATACTCTTT ACAATTACTA TTACGAATAT CATATAGATA TGACAATAGC ATATGAGAAA TGTTAATGAT AATGCTTATA                                         7927.DC 351 GCAAGAGATA ATAAGATTAC GTATTTAAGA GAATCTTGTC ATGATAATTG CGTTCTCTAT TATTCTAATG CATAAATTCT CTTAGAACAG TACTATTAAC 7927.DC 401 GGTACGACAT AGTGATAAAT GCTATTTCGC ATCGTTACAT AAAGTCAGTT CCATGCTGTA TCACTATTTA CGATAAAGCG TAGCAATGTA TTTCAGTCAA 451 GGAAAGATGG ATTTGACAGA TGTAACTTAA TAGGTGCAAA AATGTTAAAT CCTTTCTACC TAAACTGTCT ACATTGAATT ATCCACGTTT TTACAATTTA               7696.CXL 501 AACAGCATTC TATCGGAAGA TAGGATACCA GTTATATTAT ACAAAAATCA TTGTCGTAAG ATAGCCTTCT ATCCTATGGT CAATATAATA TGTTTTTAGT 551 CTGGTTGGAT AAAACAGATT CTGCAATATT CGTAAAAGAT GAAGATTACT GACCAACCTA TTTTGTCTAA GACGTTATAA GCATTTTCTA CTTCTAATGA 601 GCGAATTTGT AAACTATGAC AATAAAAAGC CATTTATCTC AACGACATCG CGCTTAAACA TTTGATACTG TTATTTTTCG GTAAATAGAG TTGCTGTAGC 651 TGTAATTCTT CCATGTTTTA TGTATGTGTT TCAGATATTA TGAGATTACT ACATTAAGAA GGTACAAAAT ACATACACAA AGTCTATAAT ACTCTAATGA 701 ATAAACTTTT TGTATACTTA TATTCCGTAA ACTATATTAA TCATGAAGAA TATTTGAAAA ACATATGAAT ATAAGGCATT TGATATAATT AGTACTTCTT 751 AATGAAAAAG TATAGAAGCT GTTCACGAGC GGTTGTTGAA AACAACAAAA TTACTTTTTC ATATCTTCGA CAAGTGCTCG CCAACAACTT TTGTTGTTTT                         7926.DC 801 TTATACATTC AAGATGGCTT ACATATACGT CTGTGAGGCT ATCATGGATA AATATGTAAG TTCTACCGAA TGTATATGCA GACACTCCGA TAGTACCTAT 851 ATGACAATGC ATCTCTAAAT AGGTTTTTGG ACAATGGATT CGACCCTAAC TACTGTTACG TAGAGATTTA TCCAAAAACC TGTTACCTAA GCTGGGATTG 901 ACGGAATATG GTACTCTACA ATCTCCTCTT GAAATGGCTG TAATGTTCAA TGCCTTATAC CATGAGATGT TAGAGGAGAA CTTTACCGAC ATTACAAGTT 951 GAATACCGAG GCTATAAAAA TCTTGATGAG GTATGGAGCT AAACCTGTAG CTTATGGCTC CGATATTTTT AGAACTACTC CATACCTCGA TTTGGACATC                 7697.CXL 1001 TTACTGAATG CACAACTTCT TGTCTGCATG ATGCGGTGTT GAGAGACGAC AATGACTTAC GTGTTGAAGA ACAGACGTAC TACGCCACAA CTCTCTGCTG 1051 TACAAAATAG TGAAAGATCT GTTGAAGAAT AACTATGTAA ACAATGTTCT ATGTTTTATC ACTTTCTAGA CAACTTCTTA TTGATACATT TGTTACAAGA 1101 TTACAGCGGA GGCTTTACTC CTTTGTGTTT GGCAGCTTAC CTTAACAAAG AATGTCGCCT CCGAAATGAG GAAACACAAA CCGTCGAATG GAATTGTTTC 1151 TTAATTTGGT TAAACTTCTA TTGGCTCATT CGGCGGATGT AGATATTTCA AATTAAACCA ATTTGAAGAT AACCGAGTAA GCCGCCTACA TCTATAAAGT 1201 AACACGGATC GGTTAACTCC TCTACATATA GCCGTATCAA ATAAAAATTT TTGTGCCTAG CCAATTGAGG AGATGTATAT CGGCATAGTT TATTTTTAAA                     7925.DC 1251 AACAATGGTT AAACTTCTAT TGAACAAAGG TGCTGATACT GACTTGCTGG TTGTTACCAA TTTGAAGATA ACTTGTTTCC ACGACTATGA CTGAACGACC 1301 ATAACATGGG ACGTACTCCT TTAATGATCG CTGTACAATC TGGAAATATT TATTGTACCC TGCATGAGGA AATTACTAGC GACATGTTAG ACCTTTATAA 1351 GAAATATGTA GCACACTACT TAAAAAAAAT AAAATGTCCA GAACTGGGAA CTTTATACAT CGTGTGATGA ATTTTTTTTA TTTTACAGGT CTTGACCCTT 1401 AAATTGATCT TGCCAGCTGT AATTCATGGT AGAAAAGAAG TGCTCAGGCT TTTAACTAGA ACGGTCGACA TTAAGTACCA TCTTTTCTTC ACGAGTCCGA 1451 ACTTTTCAAC AAAGGAGCAG ATGTAAACTA CATCTTTGAA AGAAATGGAA TGAAAAGTTG TTTCCTCGTC TACATTTGAT GTAGAAACTT TCTTTACCTT                                            7792.SL 1501 AATCATATAC TGTTTTGGAA TTGATTAAAG AAAGTTACTC TGAGACACAA TTAGTATATG ACAAAACCTT AACTAATTTC TTTCAATGAG ACTCTGTGTT   7792.SL 1551 AAGAGGTAGC TGAAGTGGTA CTCTCAAAGG TACGTGACTA ATTAGCTATA TTCTCCATCG ACTTCACCAT GAGAGTTTCC ATGCACTGAT TAATCGATAT 1601 AAAAGGATCC GGGTTAATTA ATTAGTCATC AGGCAGGGCG AGAACGAGAC TTTTCCTAGG CCCAATTAAT TAATCAGTAG TCCGTCCCGC TCTTGCTCTG                               H6p 1651 TATCTGCTCG TTAATTAATT AGAGCTTCTT TATTCTATAC TTAAAAAGTG ATAGACGAGC AATTAATTAA TCTCGAAGAA ATAAGATATG AATTTTTCAC 1701 AAAATAAATA CAAAGGTTCT TGAGGGTTGT GTTAAATTGA AAGCGAGAAA TTTTATTTAT GTTTCCAAGA ACTCCCAACA CAATTTAACT TTCGCTCTTT                                               H5 HA  M • 1751 TAATCATAAA TTATTTCATT ATCGCGATAT CCGTTAAGTT TGTATCGTAA ATTAGTATTT AATAAAGTAA TAGCGCTATA GGCAATTCAA ACATAGCATT       11524JY .. E  K  I   V  L  L   L  A  I  V   S  L  V   K  S  D 1801 TGGAGAAAAT CGTGCTGCTG CTGGCCATCG TGAGCCTGGT GAAAAGCGAT ACCTCTTTTA GCACGACGAC GACCGGTAGC ACTCGGACCA CTTTTCGCTA       11525JY  Q  I  C  I   G  Y  H   A  N  N   S  T  E  Q   V  D  T • 1851 CAGATCTGCA TCGGCTACCA CGCCAACAAC AGCACAGAGC AAGTGGACAC GTCTAGACGT AGCCGATGGT GCGGTTGTTG TCGTGTCTCG TTCACCTGTG . I  M  E   K  N  V  T   V  T  H   A  Q  D   I  L  E  K • 1901 AATCATGGAA AAGAACGTGA CCGTGACACA CGCCCAGGAC ATCCTGGAAA TTAGTACCTT TTCTTGCACT GGCACTGTGT GCGGGTCCTG TAGGACCTTT .. T  H  N   G  K  L   C  D  L  D   G  V  K   P  L  I 1951 AGACACACAA CGGGAAGCTG TGCGATCTGG ATGGAGTGAA GCCTCTGATC TCTGTGTGTT GCCCTTCGAC ACGCTAGACC TACCTCACTT CGGAGACTAG  L  R  D  C   S  V  A   G  W  L   L  G  N  P   M  C  D • 2001 CTGAGAGATT GCAGCGTGGC CGGATGGCTG CTGGGGAACC CAATGTGCGA GACTCTCTAA CGTCGCACCG GCCTACCGAC GACCCCTTGG GTTACACGCT . E  F  I   N  V  P  E   W  S  Y   I  V  E   K  A  N  P • 2051 CGAATTCATC AACGTGCCCG AATGGAGCTA CATCGTGGAG AAGGCCAACC GCTTAAGTAG TTGCACGGGC TTACCTCGAT GTAGCACCTC TTCCGGTTGG .. A  N  D   L  C  Y   P  G  N  L   N  D  Y   E  E  L 2101 CAGCCAACGA CCTGTGCTAC CCAGGGAACC TGAACGACTA CGAAGAACTG GTCGGTTGCT GGACACGATG GGTCCCTTGG ACTTGCTGAT GCTTCTTGAC  K  H  L  L   S  R  I   N  H  F   E  K  I  Q   I  I  P • 2151 AAACACCTGC TGAGCAGAAT CAACCACTTT GAGAAAATCC AGATCATCCC TTTGTGGACG ACTCGTCTTA GTTGGTGAAA CTCTTTTAGG TCTAGTAGGG                              11626JY . K  S  S   W  S  D  H   E  A  S   S  G  V   S  S  A  C • 2201 CAAAAGCAGC TGGTCCGATC ACGAAGCCAG CAGCGGAGTG AGCAGCGCCT GTTTTCGTCG ACCAGGCTAG TGCTTCGGTC GTCGCCTCAC TCGTCGCGGA                              11527JY .. P  Y  Q   G  K  S   S  F  F  R   N  V  V   W  L  I 2251 GCCCATACCA GGGAAAGTCC AGCTTTTTTA GAAACGTGGT GTGGCTGATC CGGGTATGGT CCCTTTCAGG TCGAAAAAAT CTTTGCACCA CACCGACTAG  K  K  N  S   A  Y  P   T  I  K   R  S  Y  N   N  T  N • 2301 AAAAAGAACA GCGCCTACCC AACAATCAAG AGAAGCTACA ACAACACCAA TTTTTCTTGT CGCGGATGGG TTGTTAGTTC TCTTCGATGT TGTTGTGGTT . Q  E  D   L  L  V  L   W  G  I   H  H  P   N  D  A  A • 2351 CCAGGAAGAT CTGCTGGTGC TGTGGGGGAT CCACCACCCT AACGATGCCG GGTCCTTCTA GACGACCACG ACACCCCCTA GGTGGTGGGA TTGCTACGGC .. E  Q  T   R  L  Y   Q  N  P  T   T  Y  I   S  V  G 2401 CCGAGCAGAC AAGGCTGTAC CAGAACCCAA CCACCTACAT CTCCGTGGGG GGCTCGTCTG TTCCGACATG GTCTTGGGTT GGTGGATGTA GAGGCACCCC  T  S  T  L   N  Q  R   L  V  P   K  I  A  I   R  S  K • 2451 ACAAGCACAC TGAACCAGAG ACTGGTGCCA AAAATCGCCA TCAGATCCAA TGTTCGTGTG ACTTGGTCTC TGACCACGGT TTTTAGCGGT AGTCTAGGTT . V  N  G   Q  S  G  R   M  E  F   F  W  T   I  L  K  P • 2501 AGTGAACGGG CAGAGCGGAA GAATGGAGTT CTTCTGGACA ATCCTGAAAC TCACTTGCCC GTCTCGCCTT CTTACCTCAA GAAGACCTGT TAGGACTTTG .. N  D  A   I  N  F   E  S  N  G   N  F  I   A  P  E 2551 CCAACGATGC CATCAACTTC GAGAGCAACG GAAACTTCAT CGCCCCAGAA GGTTGCTACG GTAGTTGAAG CTCTCGTTGC CTTTGAAGTA GCGGGGTCTT  Y  A  Y  K   I  V  K   K  G  D   S  A  I  M   K  S  E • 2601 TACGCCTACA AAATCGTGAA GAAAGGGGAC AGCGCCATCA TGAAAAGCGA ATGCGGATGT TTTAGCACTT CTTTCCCCTG TCGCGGTAGT ACTTTTCGCT                              11528JY . L  E  Y   G  N  C  N   T  K  C   Q  T  P   M  G  A  I • 2651 ACTGGAATAC GGCAACTGCA ACACCAAGTG CCAGACCCCA ATGGGGGCCA TGACCTTATG CCGTTGACGT TGTGGTTCAC GGTCTGGGGT TACCCCCGGT                              11529JY .. N  S  S   M  P  F   H  N  I  H   P  L  T   I  G  E 2701 TCAACAGCAG CATGCCATTC CACAACATCC ACCCTCTGAC CATCGGGGAA AGTTGTCGTC GTACGGTAAG GTGTTGTAGG TGGGAGACTG GTAGCCCCTT C  P  K  Y   V  K  S   N  R  L   V  L  A  T   G  L  R • 2751 TGCCCCAAAT ACGTGAAAAG CAACAGACTG GTGCTGGCCA CCGGGCTGAG ACGGGGTTTA TGCACTTTTC GTTGTCTGAC CACGACCGGT GGCCCGACTC . N  S  P   Q  R  E  T   R  G  L   F  G  A   I  A  G  F • 2801 AAACAGCCCT CAGAGAGAGA CCAGAGGACT GTTTGGAGCC ATCGCCGGCT TTTGTCGGGA GTCTCTCTCT GGTCTCCTGA CAAACCTCGG TAGCGGCCGA .. I  E  G   G  W  Q   G  M  V  D   G  W  Y   G  Y  H 2851 TTATCGAGGG AGGATGGCAG GGAATGGTGG ATGGCTGGTA CGGATACCAC AATAGCTCCC TCCTACCGTC CCTTACCACC TACCGACCAT GCCTATGGTG  H  S  N  E   Q  G  S   G  Y  A   A  D  K  E   S  T  Q • 2901 CACAGCAACG AGCAGGGGAG CGGATACGCC GCCGACAAAG AATCCACCCA GTGTCGTTGC TCGTCCCCTC GCCTATGCGG CGGCTGTTTC TTAGGTGGGT . K  A  I   D  G  V  T   N  K  V   N  S  I   I  D  K  M • 2951 GAAGGCCATC GACGGCGTGA CCAACAAAGT GAACAGCATC ATCGACAAAA CTTCCGGTAG CTGCCGCACT GGTTGTTTCA CTTGTCGTAG TAGCTGTTTT .. N  T  Q   F  E  A   V  G  R  E   F  N  N   L  E  R 3001 TGAACACCCA GTTTGAGGCC GTGGGAAGGG AGTTTAACAA CCTGGAAAGG ACTTGTGGGT CAAACTCCGG CACCCTTCCC TCAAATTGTT GGACCTTTCC  R  I  E  N   L  N  K   K  M  E   D  G  F  L   D  V  W • 3051 AGAATCGAGA ACCTGAACAA GAAGATGGAG GACGGATTCC TGGATGTGTG TCTTAGCTCT TGGACTTGTT CTTCTACCTC CTGCCTAAGG ACCTACACAC                11530JY . T  Y  N   A  E  L  L   V  L  M   E  N  E   R  T  L  D • 3101 GACCTACAAC GCCGAACTGC TGGTGCTGAT GGAAAACGAG AGAACCCTGG CTGGATGTTG CGGCTTGACG ACCACGACTA CCTTTTGCTC TCTTGGGACC                11531JY .. F  H  D   S  N  V   K  N  L  Y   D  K  V   R  L  Q 3151 ACTTTCACGA CAGCAACGTG AAGAACCTGT ACGACAAAGT GAGGCTGCAG TGAAAGTGCT GTCGTTGCAC TTCTTGGACA TGCTGTTTCA CTCCGACGTC  L  R  D  N   A  K  E   L  G  N   G  C  F  E   F  Y  H • 3201 CTGAGGGATA ACGCCAAGGA GCTGGGCAAC GGCTGCTTCG AGTTCTACCA GACTCCCTAT TGCGGTTCCT CGACCCGTTG CCGACGAAGC TCAAGATGGT . K  C  D   N  E  C  M   E  S  I   R  N  G   T  Y  N  Y • 3251 CAAATGCGAT AACGAATGCA TGGAAAGCAT CAGAAACGGA ACCTACAACT GTTTACGCTA TTGCTTACGT ACCTTTCGTA GTCTTTGCCT TGGATGTTGA .. P  Q  Y   S  E  E   A  R  L  K   R  E  E   I  S  G 3301 ACCCCCAGTA CAGCGAAGAA GCCAGACTGA AAAGAGAAGA AATCTCCGGA TGGGGGTCAT GTCGCTTCTT CGGTCTGACT TTTCTCTTCT TTAGAGGCCT  V  K  L  E   S  I  G   T  Y  Q   I  L  S  I   Y  S  T • 3351 GTGAAACTGG AATCCATCGG AACCTACCAG ATCCTGAGCA TCTACAGCAC CACTTTGACC TTAGGTAGCC TTGGATGGTC TAGGACTCGT AGATGTCGTG . V  A  S   S  L  A  L   A  I  M   M  A  G   L  S  L  W • 3401 AGTGGCCTCC TCCCTGGCCC TGGCCATCAT GATGGCCGGA CTGAGCCTGT TCACCGGAGG AGGGACCGGG ACCGGTAGTA CTACCGGCCT GACTCGGACA                11532JY .. M  C  S   N  G  S   L  Q  C  R   I  C  I   * 3451 GGATGTGCTC CAACGGAAGC CTGCAGTGCA GAATCTGCAT CTGACTCGAG CCTACACGAG GTTGCCTTCG GACGTCACGT CTTAGACGTA GACTGAGCTC                11533JY           C5L 3501 TTTTTATTGA CTAGTTAATC ACGGCCGCTT ATAAAGATCT AAAATGCATA AAAAATAACT GATCAATTAG TGCCGGCGAA TATTTCTAGA TTTTACGTAT                                    7928.DC 3551 ATTTCTAAAT AATGAAAAAA AGTACATCAT GAGCAACGCG TTAGTATATT TAAAGATTTA TTACTTTTTT TCATGTAGTA CTCGTTGCGC AATCATATAA 3601 TTACAATGGA GATTAACGCT CTATACCGTT CTATGTTTAT TGATTCAGAT AATGTTACCT CTAATTGCGA GATATGGCAA GATACAAATA ACTAAGTCTA                     7793.SL 3651 GATGTTTTAG AAAAGAAAGT TATTGAATAT GAAAACTTTA ATGAAGATGA CTACAAAATC TTTTCTTTCA ATAACTTATA CTTTTGAAAT TACTTCTACT 3701 AGATGACGAC GATGATTATT GTTGTAAATC TGTTTTAGAT GAAGAAGATG TCTACTGCTG CTACTAATAA CAACATTTAG ACAAAATCTA CTTCTTCTAC 3751 ACGCGCTAAA GTATACTATG GTTACAAAGT ATAAGTCTAT ACTACTAATG TGCGCGATTT CATATGATAC CAATGTTTCA TATTCAGATA TGATGATTAC 3801 GCGACTTGTG CAAGAAGGTA TAGTATAGTG AAAATGTTGT TAGATTATGA CGCTGAACAC GTTCTTCCAT ATCATATCAC TTTTACAACA ATCTAATACT 3851 TTATGAAAAA CCAAATAAAT CAGATCCATA TCTAAAGGTA TCTCCTTTGC AATACTTTTT GGTTTATTTA GTCTAGGTAT AGATTTCCAT AGAGGAAACG                                7929.DC 3901 ACATAATTTC ATCTATTCCT AGTTTAGAAT ACCTGCAGCC AAGCTTGGCA TGTATTAAAG TAGATAAGGA TCAAATCTTA TGGACGTCGG TTCGAACCGT 3951 CTGGCCGTCG TTTTAC GACCGGCAGC AAAATG       M13F SEQ ID NO 19 LENGTH: 6551 OTHER INFORMATION: Theoretical sequence of entire vector SEQUENCE: gcgcccaatacgcaaaccgcctctccccgcgcgttggccgattcattaatgcagctggcacgacaggtttcccgact ggaaagcgggcagtgagcgcaacgcaattaatgtgagttagctcactcattaggcaccccaggctttacactttatg cttccggctcgtatgttgtgtggaattgtgagcggataacaatttcacacaggaaacagctatgaccatgattacga attgcggccgcaattctgaatgttaaatgttatactttggatgaagctataaatatgcattggaaaaataatccatt taaagaaaggattcaaatactacaaaacctaagcgataatatgttaactaagcttattcttaacgacgctttaaata tacacaaataaacataatttttgtataacctaacaaataactaaaacataaaaataataaaaggaaatgtaatatcg taattattttactcaggaatggggttaaatatttatatcacgtgtatatctatactgttatcgtatactctttacaa ttactattacgaatatgcaagagataataagattacgtatttaagagaatcttgtcatgataattgggtacgacata gtgataaatgctatttcgcatcgttacataaagtcagttggaaagatggatttgacagatgtaacttaataggtgca aaaatgttaaataacagcattctatcggaagataggataccagttatattatacaaaaatcactggttggataaaac agattctgcaatattcgtaaaagatgaagattactgcgaatttgtaaactatgacaataaaaagccatttatctcaa cgacatcgtgtaattcttccatgttttatgtatgtgtttcagatattatgagattactataaactttttgtatactt atattccgtaaactatattaatcatgaagaaaatgaaaaagtatagaagctgttcacgagcggttgttgaaaacaac aaaattatacattcaagatggcttacatatacgtctgtgaggctatcatggataatgacaatgcatctctaaatagg tttttggacaatggattcgaccctaacacggaatatggtactctacaatctcctcttgaaatggctgtaatgttcaa gaataccgaggctataaaaatcttgatgaggtatggagctaaacctgtagttactgaatgcacaacttcttgtctgc atgatgcggtgttgagagacgactacaaaatagtgaaagatctgttgaagaataactatgtaaacaatgttctttac agcggaggctttactcctttgtgtttggcagcttaccttaacaaagttaatttggttaaacttctattggctcattc ggcggatgtagatatttcaaacacggatcggttaactcctctacatatagccgtatcaaataaaaatttaacaatgg ttaaacttctattgaacaaaggtgctgatactgacttgctggataacatgggacgtactcctttaatgatcgctgta caatctggaaatattgaaatatgtagcacactacttaaaaaaaataaaatgtccagaactgggaaaaattgatcttg ccagctgtaattcatggtagaaaagaagtgctcaggctacttttcaacaaaggagcagatgtaaactacatctttga aagaaatggaaaatcatatactgttttggaattgattaaagaaagttactctgagacacaaaagaggtagctgaagt ggtactctcaaaggtacgtgactaattagctataaaaaggatccgggttaattaattagtcatcaggcagggcgaga acgagactatctgctcgttaattaattagagcttctttattctatacttaaaaagtgaaaataaatacaaaggttct tgagggttgtgttaaattgaaagcgagaaataatcataaattatttcattatcgcgatatccgttaagtttgtatcg taatggagaaaatcgtgctgctgctggccatcgtgagcctggtgaaaagcgatcagatctgcatcggctaccacgcc aacaacagcacagagcaagtggacacaatcatggaaaagaacgtgaccgtgacacacgcccaggacatcctggaaaa gacacacaacgggaagctgtgcgatctggatggagtgaagcctctgatcctgagagattgcagcgtggccggatggc tgctggggaacccaatgtgcgacgaattcatcaacgtgcccgaatggagctacatcgtggagaaggccaacccagcc aacgacctgtgctacccagggaacctgaacgactacgaagaactgaaacacctgctgagcagaatcaaccactttga gaaaatccagatcatccccaaaagcagctggtccgatcacgaagccagcagcggagtgagcagcgcctgcccatacc agggaaagtccagcttttttagaaacgtggtgtggctgatcaaaaagaacagcgcctacccaacaatcaagagaagc tacaacaacaccaaccaggaagatctgctggtgctgtgggggatccaccaccctaacgatgccgccgagcagacaag gctgtaccagaacccaaccacctacatctccgtggggacaagcacactgaaccagagactggtgccaaaaatcgcca tcagatccaaagtgaacgggcagagcggaagaatggagttcttctggacaatcctgaaacccaacgatgccatcaac ttcgagagcaacggaaacttcatcgccccagaatacgcctacaaaatcgtgaagaaaggggacagcgccatcatgaa aagcgaactggaatacggcaactgcaacaccaagtgccagaccccaatgggggccatcaacagcagcatgccattcc acaacatccaccctctgaccatcggggaatgccccaaatacgtgaaaagcaacagactggtgctggccaccgggctg agaaacagccctcagagagagaccagaggactgtttggagccatcgccggctttatcgagggaggatggcagggaat ggtggatggctggtacggataccaccacagcaacgagcaggggagcggatacgccgccgacaaagaatccacccaga aggccatcgacggcgtgaccaacaaagtgaacagcatcatcgacaaaatgaacacccagtttgaggccgtgggaagg gagtttaacaacctggaaaggagaatcgagaacctgaacaagaagatggaggacggattcctggatgtgtggaccta caacgccgaactgctggtgctgatggaaaacgagagaaccctggactttcacgacagcaacgtgaagaacctgtacg acaaagtgaggctgcagctgagggataacgccaaggagctgggcaacggctgcttcgagttctaccacaaatgcgat aacgaatgcatggaaagcatcagaaacggaacctacaactacccccagtacagcgaagaagccagactgaaaagaga agaaatctccggagtgaaactggaatccatcggaacctaccagatcctgagcatctacagcacagtggcctcctccc tggccctggccatcatgatggccggactgagcctgtggatgtgctccaacggaagcctgcagtgcagaatctgcatc tgactcgagtttttattgactagttaatcacggccgcttataaagatctaaaatgcataatttctaaataatgaaaa aaagtacatcatgagcaacgcgttagtatattttacaatggagattaacgctctataccgttctatgtttattgatt cagatgatgttttagaaaagaaagttattgaatatgaaaactttaatgaagatgaagatgacgacgatgattattgt tgtaaatctgttttagatgaagaagatgacgcgctaaagtatactatggttacaaagtataagtctatactactaat ggcgacttgtgcaagaaggtatagtatagtgaaaatgttgttagattatgattatgaaaaaccaaataaatcagatc catatctaaaggtatctcctttgcacataatttcatctattcctagtttagaatacctgcagccaagcttggcactg gccgtcgttttacaacgtcgtgactgggaaaaccctggcgttacccaacttaatcgccttgcagcacatcccccttt cgccagctggcgtaatagcgaagaggcccgcaccgatcgcccttcccaacagttgcgcagcctgaatggcgaatggc gcctgatgcggtattttctccttacgcatctgtgcggtatttcacaccgcatatggtgcactctcagtacaatctgc tctgatgccgcatagttaagccagccccgacacccgccaacacccgctgacgcgccctgacgggcttgtctgctccc ggcatccgcttacagacaagctgtgaccgtctccgggagctgcatgtgtcagaggttttcaccgtcatcaccgaaac gcgcgagacgaaagggcctcgtgatacgcctatttttataggttaatgtcatgataataatggtttcttagacgtca ggtggcacttttcggggaaatgtgcgcggaacccctatttgtttatttttctaaatacattcaaatatgtatccgct catgagacaataaccctgataaatgcttcaataatattgaaaaaggaagagtatgagtattcaacatttccgtgtcg cccttattcccttttttgcggcattttgccttcctgtttttgctcacccagaaacgctggtgaaagtaaaagatgct gaagatcagttgggtgcacgagtgggttacatcgaactggatctcaacagcggtaagatccttgagagttttcgccc cgaagaacgttttccaatgatgagcacttttaaagttctgctatgtggcgcggtattatcccgtattgacgccgggc aagagcaactcggtcgccgcatacactattctcagaatgacttggttgagtactcaccagtcacagaaaagcatctt acggatggcatgacagtaagagaattatgcagtgctgccataaccatgagtgataacactgcggccaacttacttct gacaacgatcggaggaccgaaggagctaaccgcttttttgcacaacatgggggatcatgtaactcgccttgatcgtt gggaaccggagctgaatgaagccataccaaacgacgagcgtgacaccacgatgcctgtagcaatggcaacaacgttg cgcaaactattaactggcgaactacttactctagcttcccggcaacaattaatagactggatggaggcggataaagt tgcaggaccacttctgcgctcggcccttccggctggctggtttattgctgataaatctggagccggtgagcgtgggt ctcgcggtatcattgcagcactggggccagatggtaagccctcccgtatcgtagttatctacacgacggggagtcag gcaactatggatgaacgaaatagacagatcgctgagataggtgcctcactgattaagcattggtaactgtcagacca agtttactcatatatactttagattgatttaaaacttcatttttaatttaaaaggatctaggtgaagatcctttttg ataatctcatgaccaaaatcccttaacgtgagttttcgttccactgagcgtcagaccccgtagaaaagatcaaagga tcttcttgagatcctttttttctgcgcgtaatctgctgcttgcaaacaaaaaaaccaccgctaccagcggtggtttg tttgccggatcaagagctaccaactctttttccgaaggtaactggcttcagcagagcgcagataccaaatactgtcc ttctagtgtagccgtagttaggccaccacttcaagaactctgtagcaccgcctacatacctcgctctgctaatcctg ttaccagtggctgctgccagtggcgataagtcgtgtcttaccgggttggactcaagacgatagttaccggataaggc gcagcggtcgggctgaacggggggttcgtgcacacagcccagcttggagcgaacgacctacaccgaactgagatacc tacagcgtgagctatgagaaagcgccacgcttcccgaagggagaaaggcggacaggtatccggtaagcggcagggtc ggaacaggagagcgcacgagggagcttccagggggaaacgcctggtatctttatagtcctgtcgggtttcgccacct ctgacttgagcgtcgatttttgtgatgctcgtcaggggggcggagcctatggaaaaacgccagcaacgcggcctttt tacggttcctggccttttgctggccttttgctcacatgttctttcctgcgttatcccctgattctgtggataaccgt attaccgcctttgagtgagctgataccgctcgccgcagccgaacgaccgagcgcagcgagtcagtgagcgaggaagc ggaaga SEQ ID NO 20 LENGTH: 25 OTHER INFORMATION: Primer for PCR amplification of the vCP2241 C5 arms plus insert, referred to as 7931.DC SEQUENCE: 1 GAATCTGTTAGTTAGTTACTTGGAT SEQ ID NO 21 LENGTH: 25 OTHER INFORMATION: Primer for PCR amplification of the vCP2241 C5 arms plus insert, referred to as 7932.DC SEQUENCE: 1 TGATTATAGCTATTATCACAGACTC SEQ ID NO 22 LENGTH: ORGANISM: Artificial Sequence OTHER INFORMATION: C5 right arm (1–1536), H6 promoter (1634–1757), AIV synethetic H5 HA (1758–3452), and C5 left arm (3485–3890) determined through sequence analysis SEQUENCE: TGAATGTTAAATGTTATACTTTGGATGAAGCTATAAATATGCATTGGAAA AATAATCCATTTAAAGAAAGGATTCAAATACTACAAAACCTAAGCGATAA TATGTTAACTAAGCTTATTCTTAACGACGCTTTAAATATACACAAATAAA CATAATTTTTGTATAACCTAACAAATAACTAAAACATAAAAATAATAAAA GGAAATGTAATATCGTAATTATTTTACTCAGGAATGGGGTTAAATATTTA TATCACGTGTATATCTATACTGTTATCGTATACTCTTTACAATTACTATT ACGAATATGCAAGAGATAATAAGATTACGTATTTAAGAGAATCTTGTCAT GATAATTGGGTACGACATAGTGATAAATGCTATTTCGCATCGTTACATAA AGTCAGTTGGAAAGATGGATTTGACAGATGTAACTTAATAGGTGCAAAAA TGTTAAATAACAGCATTCTATCGGAAGATAGGATACCAGTTATATTATAC AAAAATCACTGGTTGGATAAAACAGATTCTGCAATATTCGTAAAAGATGA AGATTACTGCGAATTTGTAAACTATGACAATAAAAAGCCATTTATCTCAA CGACATCGTGTAATTCTTCCATGTTTTATGTATGTGTTTCAGATATTATG AGATTACTATAAACTTTTTGTATACTTATATTCCGTAAACTATATTAATC ATGAAGAAAATGAAAAAGTATAGAAGCTGTTCACGAGCGGTTGTTGAAAA CAACAAAATTATACATTCAAGATGGCTTACATATACGTCTGTGAGGCTAT CATGGATAATGACAATGCATCTCTAAATAGGTTTTTGGACAATGGATTCG ACCCTAACACGGAATATGGTACTCTACAATCTCCTCTTGAAATGGCTGTA ATGTTCAAGAATACCGAGGCTATAAAAATCTTGATGAGGTATGGAGCTAA ACCTGTAGTTACTGAATGCACAACTTCTTGTCTGCATGATGCGGTGTTGA GAGACGACTACAAAATAGTGAAAGATCTGTTGAAGAATAACTATGTAAAC AATGTTCTTTACAGCGGAGGCTTTACTCCTTTGTGTTTGGCAGCTTACCT TAACAAAGTTAATTTGGTTAAACTTCTATTGGCTCATTCGGCGGATGTAG ATATTTCAAACACGGATCGGTTAACTCCTCTACATATAGCCGTATCAAAT AAAAATTTAACAATGGTTAAACTTCTATTGAACAAAGGTGCTGATACTGA CTTGCTGGATAACATGGGACGTACTCCTTTAATGATCGCTGTACAATCTG GAAATATTGAAATATGTAGCACACTACTTAAAAAAAATAAAATGTCCAGA ACTGGGAAAAATTGATCTTGCCAGCTGTAATTCATGGTAGAAAAGAAGTG CTCAGGCTACTTTTCAACAAAGGAGCAGATGTAAACTACATCTTTGAAAG AAATGGAAAATCATATACTGTTTTGGAATTGATTAAAGAAAGTTACTCTG AGACACAAAAGAGGTAGCTGAAGTGGTACTCTCAAAGGTACGTGACTAAT TAGCTATAAAAAGGATCCGGGTTAATTAATTAGTCATCAGGCAGGGCGAG AACGAGACTATCTGCTCGTTAATTAATTAGAGCTTCTTTATTCTATACTT AAAAAGTGAAAATAAATACAAAGGTTCTTGAGGGTTGTGTTAAATTGAAA GCGAGAAATAATCATAAATTATTTCATTATCGCGATATCCGTTAAGTTTG TATCGTAATGGAGAAAATCGTGCTGCTGCTGGCCATCGTGAGCCTGGTGA AAAGCGATCAGATCTGCATCGGCTACCACGCCAACAACAGCACAGAGCAA GTGGACACAATCATGGAAAAGAACGTGACCGTGACACACGCCCAGGACAT CCTGGAAAAGACACACAACGGGAAGCTGTGCGATCTGGATGGAGTGAAGC CTCTGATCCTGAGAGATTGCAGCGTGGCCGGATGGCTGCTGGGGAACCCA ATGTGCGACGAATTCATCAACGTGCCCGAATGGAGCTACATCGTGGAGAA GGCCAACCCAGCCAACGACCTGTGCTACCCAGGGAACCTGAACGACTACG AAGAACTGAAACACCTGCTGAGCAGAATCAACCACTTTGAGAAAATCCAG ATCATCCCCAAAAGCAGCTGGTCCGATCACGAAGCCAGCAGCGGAGTGAG CAGCGCCTGCCCATACCAGGGAAAGTCCAGCTTTTTTAGAAACGTGGTGT GGCTGATCAAAAAGAACAGCGCCTACCCAACAATCAAGAGAAGCTACAAC AACACCAACCAGGAAGATCTGCTGGTGCTGTGGGGGATCCACCACCCTAA CGATGCCGCCGAGCAGACAAGGCTGTACCAGAACCCAACCACCTACATCT CCGTGGGGACAAGCACACTGAACCAGAGACTGGTGCCAAAAATCGCCATC AGATCCAAAGTGAACGGGCAGAGCGGAAGAATGGAGTTCTTCTGGACAAT CCTGAAACCCAACGATGCCATCAACTTCGAGAGCAACGGAAACTTCATCG CCCCAGAATACGCCTACAAAATCGTGAAGAAAGGGGACAGCGCCATCATG AAAAGCGAACTGGAATACGGCAACTGCAACACCAAGTGCCAGACCCCAAT GGGGGCCATCAACAGCAGCATGCCATTCCACAACATCCACCCTCTGACCA TCGGGGAATGCCCCAAATACGTGAAAAGCAACAGACTGGTGCTGGCCACC GGGCTGAGAAACAGCCCTCAGAGAGAGACCAGAGGACTGTTTGGAGCCAT CGCCGGCTTTATCGAGGGAGGATGGCAGGGAATGGTGGATGGCTGGTACG GATACCACCACAGCAACGAGCAGGGGAGCGGATACGCCGCCGACAAAGAA TCCACCCAGAAGGCCATCGACGGCGTGACCAACAAAGTGAACAGCATCAT CGACAAAATGAACACCCAGTTTGAGGCCGTGGGAAGGGAGTTTAACAACC TGGAAAGGAGAATCGAGAACCTGAACAAGAAGATGGAGGACGGATTCCTG GATGTGTGGACCTACAACGCCGAACTGCTGGTGCTGATGGAAAACGAGAG AACCCTGGACTTTCACGACAGCAACGTGAAGAACCTGTACGACAAAGTGA GGCTGCAGCTGAGGGATAACGCCAAGGAGCTGGGCAACGGCTGCTTCGAG TTCTACCACAAATGCGATAACGAATGCATGGAAAGCATCAGAAACGGAAC CTACAACTACCCCCAGTACAGCGAAGAAGCCAGACTGAAAAGAGAAGAAA TCTCCGGAGTGAAACTGGAATCCATCGGAACCTACCAGATCCTGAGCATC TACAGCACAGTGGCCTCCTCCCTGGCCCTGGCCATCATGATGGCCGGACT GAGCCTGTGGATGTGCTCCAACGGAAGCCTGCAGTGCAGAATCTGCATCT GACTCGAGTTTTTATTGACTAGTTAATCACGGCCGCTTATAAAGATCTAA AATGCATAATTTCTAAATAATGAAAAAAAGTACATCATGAGCAACGCGTT AGTATATTTTACAATGGAGATTAACGCTCTATACCGTTCTATGTTTATTG ATTCAGATGATGTTTTAGAAAAGAAAGTTATTGAATATGAAAACTTTAAT GAAGATGAAGATGACGACGATGATTATTGTTGTAAATCTGTTTTAGATGA AGAAGATGACGCGCTAAAGTATACTATGGTTACAAAGTATAAGTCTATAC TACTAATGGCGACTTGTGCAAGAAGGTATAGTATAGTGAAAATGTTGTTA GATTATGATTATGAAAAACCAAATAAATCAGATCCATATCTAAAGGTATC TCCTTTGCACATAATTTCATCTATTCCTAGTTTAGAATAC 

1. A method of eliciting an immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an avipox expression vector comprising a polynucleotide encoding an influenza antigen in an effective amount for eliciting an immune response.
 2. The method of claim 1, wherein the formulation further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle or adjuvant.
 3. The method of claim 1, wherein the influenza antigen, is selected from the group comprising a hemagglutinin, matrix protein, membrane protein, neuraminidase, nonstructural protein, nucleoprotein, polymerase or any fragment thereof.
 4. The method of claim 3, wherein the influenza antigen is isolated from a Felidae infected with influenza.
 5. The method of claim 4 wherein the influenza antigen is isolated from the broncho alveolar lavage of the infected Felidae.
 6. The method of claim 4 wherein the influenza antigen is isolated from the lung tissue of the infected Felidae.
 7. The method of claim 1, wherein the influenza antigen, epitope or immunogen is isolated from an avian influenza virus isolate.
 8. The method of any one of claim 1, wherein the avipox expression vector is an attenuated avipox expression vector.
 9. The method of claim 8, wherein the avipox expression vector is a fowlpox vector or a canarypox vector.
 10. The method of claim 9, wherein the fowlpox vector is a TROVAC vector.
 11. The method of claim 9, wherein the canarypox vector is an ALVAC vector.
 13. The method of claim 9, wherein the influenza antigen is a hemagglutinin.
 14. The method of claim 13, wherein the hemagglutinin is H5.
 15. The method of claim 9, wherein the fowlpox vector is vFP89 or vFP2211.
 16. The method of claim 9, wherein the canarypox vector is vCP2241.
 17. A method of eliciting an immune response against influenza in a Felidae, comprising administering a formulation, wherein said formulation comprises an inactivated influenza immunological composition in an effective amount for eliciting an immune response.
 18. The method of claim 17, wherein the formulation further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle, or adjuvant.
 19. The method of claim 17, wherein the inactivated influenza vaccine is chosen from the group consisting of an inactivated feline influenza isolate, an inactivated avian influenza isolate, or mixtures thereof.
 20. The method of claim 1 or claim 17, further comprising additionally administering, either prior or subsequent to said formulation, a second formulation comprising either an avipox expression vector, wherein said vector comprises a polynucleotide encoding an influenza antigen, or an inactivated influenza immunological composition.
 21. An immunological composition comprising an avipox expression vector, wherein said expression vector comprises a polynucleotide encoding an influenza antigen in an effective amount for inducing an immune response.
 22. The immunological composition of claim 21, wherein the composition further comprises one or more of a pharmaceutically or veterinarily acceptable carrier, excipient, vehicle or adjuvant.
 23. The immunological composition of claim 21, wherein the influenza antigen, is selected from the group comprising a hemagglutinin, matrix protein, membrane protein, neuraminidase, nonstructural protein, nucleoprotein, polymerase or any fragment thereof.
 24. The immunological composition of claim 23, wherein the influenza antigen is isolated from a Felidae infected with influenza.
 25. The immunological composition of claim 24 wherein the influenza antigen is isolated from the broncho alveolar lavage of the infected Felidae.
 26. The immunological composition of claim 24 wherein the influenza antigen is isolated from the lung tissue of the infected Felidae.
 27. The immunological composition of claim 21, wherein the influenza antigen, epitope or immunogen is isolated from an avian influenza virus isolate.
 28. The immunological composition of any one of claim 21, wherein the avipox expression vector is an attenuated avipox expression vector.
 29. The immunological composition of claim 28, wherein the avipox expression vector is a fowlpox vector or a canarypox vector.
 30. The immunological composition of claim 29, wherein the fowlpox vector is a TROVAC vector.
 31. The immunological composition of claim 29, wherein the canarypox vector is an ALVAC vector.
 32. The immunological composition of claim 29, wherein the influenza antigen is a hemagglutinin.
 33. The immunological composition of claim 32, wherein the hemagglutinin is H5.
 34. The immunological composition of claim 29, wherein the fowlpox vector is vFP89 or vFP2211.
 35. The immunological composition of claim 29, wherein the canarypox vector is vCP2241.
 36. The method of any of claims 1 or 17, wherein the immune response is a protective immune response.
 37. The immunological composition of claim 21, wherein the induced immune response is a protective immune response.
 38. The method of any of claims 1 or 17, or the immunological composition of claim 24, wherein the Felidae is a cat. 